π¨ CVE-2024-44756
NUS-M9 ERP Management Software v3.0.0 was discovered to contain a SQL injection vulnerability via the usercode parameter at /UserWH/checkLogin.
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NUS-M9 ERP Management Software v3.0.0 was discovered to contain a SQL injection vulnerability via the usercode parameter at /UserWH/checkLogin.
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GitHub
web_vul/CVES/CVE-2024-44756.md at main Β· WarmBrew/web_vul
Documenting some of my CVE exploits and learning how to be a bug hunter. - WarmBrew/web_vul
π¨ CVE-2024-57258
Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size, or because ptrdiff_t is mishandled on x86_64.
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Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size, or because ptrdiff_t is mishandled on x86_64.
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π¨ CVE-2024-52514
Nextcloud Server is a self hosted personal cloud system. After a user received a share with some files inside being blocked by the files access control, the user would still be able to copy the intermediate folder inside Nextcloud allowing them to afterwards potentially access the blocked files depending on the user access control rules. It is recommended that the Nextcloud Server is upgraded to 27.1.9, 28.0.5 or 29.0.0 and Nextcloud Enterprise Server is upgraded to 21.0.9.18, 22.2.10.23, 23.0.12.18, 24.0.12.14, 25.0.13.9, 26.0.13.3, 27.1.9, 28.0.5 or 29.0.0.
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Nextcloud Server is a self hosted personal cloud system. After a user received a share with some files inside being blocked by the files access control, the user would still be able to copy the intermediate folder inside Nextcloud allowing them to afterwards potentially access the blocked files depending on the user access control rules. It is recommended that the Nextcloud Server is upgraded to 27.1.9, 28.0.5 or 29.0.0 and Nextcloud Enterprise Server is upgraded to 21.0.9.18, 22.2.10.23, 23.0.12.18, 24.0.12.14, 25.0.13.9, 26.0.13.3, 27.1.9, 28.0.5 or 29.0.0.
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GitHub
User can copy folder that contain files that are blocked by the files access control
### Impact
After a user received a share with some files inside being blocked by the files access control, the user would still be able to copy the intermediate folder inside Nextcloud allowing ...
After a user received a share with some files inside being blocked by the files access control, the user would still be able to copy the intermediate folder inside Nextcloud allowing ...
π¨ CVE-2024-45970
Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit ac925fae8e281ac6defcd630e9dd756264e9c5bc allow a malicious server to cause a stack-based buffer overflow via the MMS FileDirResponse message.
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Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit ac925fae8e281ac6defcd630e9dd756264e9c5bc allow a malicious server to cause a stack-based buffer overflow via the MMS FileDirResponse message.
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ENCS
Critical Security Vulnerabilities Discovered in MZ Automation's MMS Client | ENCS
ENCS recently identified three significant vulnerabilities in the MMS Client of the MZ Automation LibIEC61850 library prior to version 1.6.0. These vulnerabilities were discovered at the time by ENCS testers Humza Ahmad & Albert Spruyt. They expose systemsβ¦
π¨ CVE-2024-45971
Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit 1f52be9ddeae00e69cd43e4cac3cb4f0c880c4f0 allow a malicious server to cause a stack-based buffer overflow via the MMS IdentifyResponse message.
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Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit 1f52be9ddeae00e69cd43e4cac3cb4f0c880c4f0 allow a malicious server to cause a stack-based buffer overflow via the MMS IdentifyResponse message.
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ENCS
Critical Security Vulnerabilities Discovered in MZ Automation's MMS Client | ENCS
ENCS recently identified three significant vulnerabilities in the MMS Client of the MZ Automation LibIEC61850 library prior to version 1.6.0. These vulnerabilities were discovered at the time by ENCS testers Humza Ahmad & Albert Spruyt. They expose systemsβ¦
β€1
π¨ CVE-2024-26670
In the Linux kernel, the following vulnerability has been resolved:
arm64: entry: fix ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
Currently the ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD workaround isn't
quite right, as it is supposed to be applied after the last explicit
memory access, but is immediately followed by an LDR.
The ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD workaround is used to
handle Cortex-A520 erratum 2966298 and Cortex-A510 erratum 3117295,
which are described in:
* https://developer.arm.com/documentation/SDEN2444153/0600/?lang=en
* https://developer.arm.com/documentation/SDEN1873361/1600/?lang=en
In both cases the workaround is described as:
| If pagetable isolation is disabled, the context switch logic in the
| kernel can be updated to execute the following sequence on affected
| cores before exiting to EL0, and after all explicit memory accesses:
|
| 1. A non-shareable TLBI to any context and/or address, including
| unused contexts or addresses, such as a `TLBI VALE1 Xzr`.
|
| 2. A DSB NSH to guarantee completion of the TLBI.
The important part being that the TLBI+DSB must be placed "after all
explicit memory accesses".
Unfortunately, as-implemented, the TLBI+DSB is immediately followed by
an LDR, as we have:
| alternative_if ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
| tlbi vale1, xzr
| dsb nsh
| alternative_else_nop_endif
| alternative_if_not ARM64_UNMAP_KERNEL_AT_EL0
| ldr lr, [sp, #S_LR]
| add sp, sp, #PT_REGS_SIZE // restore sp
| eret
| alternative_else_nop_endif
|
| [ ... KPTI exception return path ... ]
This patch fixes this by reworking the logic to place the TLBI+DSB
immediately before the ERET, after all explicit memory accesses.
The ERET is currently in a separate alternative block, and alternatives
cannot be nested. To account for this, the alternative block for
ARM64_UNMAP_KERNEL_AT_EL0 is replaced with a single alternative branch
to skip the KPTI logic, with the new shape of the logic being:
| alternative_insn "b .L_skip_tramp_exit_\@", nop, ARM64_UNMAP_KERNEL_AT_EL0
| [ ... KPTI exception return path ... ]
| .L_skip_tramp_exit_\@:
|
| ldr lr, [sp, #S_LR]
| add sp, sp, #PT_REGS_SIZE // restore sp
|
| alternative_if ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
| tlbi vale1, xzr
| dsb nsh
| alternative_else_nop_endif
| eret
The new structure means that the workaround is only applied when KPTI is
not in use; this is fine as noted in the documented implications of the
erratum:
| Pagetable isolation between EL0 and higher level ELs prevents the
| issue from occurring.
... and as per the workaround description quoted above, the workaround
is only necessary "If pagetable isolation is disabled".
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In the Linux kernel, the following vulnerability has been resolved:
arm64: entry: fix ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
Currently the ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD workaround isn't
quite right, as it is supposed to be applied after the last explicit
memory access, but is immediately followed by an LDR.
The ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD workaround is used to
handle Cortex-A520 erratum 2966298 and Cortex-A510 erratum 3117295,
which are described in:
* https://developer.arm.com/documentation/SDEN2444153/0600/?lang=en
* https://developer.arm.com/documentation/SDEN1873361/1600/?lang=en
In both cases the workaround is described as:
| If pagetable isolation is disabled, the context switch logic in the
| kernel can be updated to execute the following sequence on affected
| cores before exiting to EL0, and after all explicit memory accesses:
|
| 1. A non-shareable TLBI to any context and/or address, including
| unused contexts or addresses, such as a `TLBI VALE1 Xzr`.
|
| 2. A DSB NSH to guarantee completion of the TLBI.
The important part being that the TLBI+DSB must be placed "after all
explicit memory accesses".
Unfortunately, as-implemented, the TLBI+DSB is immediately followed by
an LDR, as we have:
| alternative_if ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
| tlbi vale1, xzr
| dsb nsh
| alternative_else_nop_endif
| alternative_if_not ARM64_UNMAP_KERNEL_AT_EL0
| ldr lr, [sp, #S_LR]
| add sp, sp, #PT_REGS_SIZE // restore sp
| eret
| alternative_else_nop_endif
|
| [ ... KPTI exception return path ... ]
This patch fixes this by reworking the logic to place the TLBI+DSB
immediately before the ERET, after all explicit memory accesses.
The ERET is currently in a separate alternative block, and alternatives
cannot be nested. To account for this, the alternative block for
ARM64_UNMAP_KERNEL_AT_EL0 is replaced with a single alternative branch
to skip the KPTI logic, with the new shape of the logic being:
| alternative_insn "b .L_skip_tramp_exit_\@", nop, ARM64_UNMAP_KERNEL_AT_EL0
| [ ... KPTI exception return path ... ]
| .L_skip_tramp_exit_\@:
|
| ldr lr, [sp, #S_LR]
| add sp, sp, #PT_REGS_SIZE // restore sp
|
| alternative_if ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
| tlbi vale1, xzr
| dsb nsh
| alternative_else_nop_endif
| eret
The new structure means that the workaround is only applied when KPTI is
not in use; this is fine as noted in the documented implications of the
erratum:
| Pagetable isolation between EL0 and higher level ELs prevents the
| issue from occurring.
... and as per the workaround description quoted above, the workaround
is only necessary "If pagetable isolation is disabled".
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π¨ CVE-2022-48908
In the Linux kernel, the following vulnerability has been resolved:
net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()
During driver initialization, the pointer of card info, i.e. the
variable 'ci' is required. However, the definition of
'com20020pci_id_table' reveals that this field is empty for some
devices, which will cause null pointer dereference when initializing
these devices.
The following log reveals it:
[ 3.973806] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
[ 3.973819] RIP: 0010:com20020pci_probe+0x18d/0x13e0 [com20020_pci]
[ 3.975181] Call Trace:
[ 3.976208] local_pci_probe+0x13f/0x210
[ 3.977248] pci_device_probe+0x34c/0x6d0
[ 3.977255] ? pci_uevent+0x470/0x470
[ 3.978265] really_probe+0x24c/0x8d0
[ 3.978273] __driver_probe_device+0x1b3/0x280
[ 3.979288] driver_probe_device+0x50/0x370
Fix this by checking whether the 'ci' is a null pointer first.
π@cveNotify
In the Linux kernel, the following vulnerability has been resolved:
net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()
During driver initialization, the pointer of card info, i.e. the
variable 'ci' is required. However, the definition of
'com20020pci_id_table' reveals that this field is empty for some
devices, which will cause null pointer dereference when initializing
these devices.
The following log reveals it:
[ 3.973806] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
[ 3.973819] RIP: 0010:com20020pci_probe+0x18d/0x13e0 [com20020_pci]
[ 3.975181] Call Trace:
[ 3.976208] local_pci_probe+0x13f/0x210
[ 3.977248] pci_device_probe+0x34c/0x6d0
[ 3.977255] ? pci_uevent+0x470/0x470
[ 3.978265] really_probe+0x24c/0x8d0
[ 3.978273] __driver_probe_device+0x1b3/0x280
[ 3.979288] driver_probe_device+0x50/0x370
Fix this by checking whether the 'ci' is a null pointer first.
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π¨ CVE-2024-46465
By default, dedicated folders of CRYHOD for Windows up to 2024.3 can be accessed by other users to misuse technical files and make them perform tasks with higher privileges. Configuration of CRYHOD has to be modified to prevent this vulnerability.
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By default, dedicated folders of CRYHOD for Windows up to 2024.3 can be accessed by other users to misuse technical files and make them perform tasks with higher privileges. Configuration of CRYHOD has to be modified to prevent this vulnerability.
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PRIM'X
Security Bulletin 24932296 - PRIM'X
Manipulation of CRYHOD technical files can allow an elevation of privilege
π¨ CVE-2024-52507
Nextcloud Tables allows users to to create tables with individual columns. The information which Table (numeric ID) is shared with which groups and users and the respective permissions was not limited to affected users. It is recommended that the Nextcloud Tables app is upgraded to 0.8.1.
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Nextcloud Tables allows users to to create tables with individual columns. The information which Table (numeric ID) is shared with which groups and users and the respective permissions was not limited to affected users. It is recommended that the Nextcloud Tables app is upgraded to 0.8.1.
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GitHub
Share information of Tables app is not limited to affected users
### Impact
The information which Table (numeric ID) is shared with which groups and users and the respective permissions was not limited to affected users.
### Patches
It is recommended th...
The information which Table (numeric ID) is shared with which groups and users and the respective permissions was not limited to affected users.
### Patches
It is recommended th...
π¨ CVE-2024-52508
Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like user@example.tld that does not support auto configuration, and an attacker managed to register autoconfig.tld, the used email details would be send to the server of the attacker. It is recommended that the Nextcloud Mail app is upgraded to 1.14.6, 1.15.4, 2.2.11, 3.6.3, 3.7.7 or 4.0.0.
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Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like user@example.tld that does not support auto configuration, and an attacker managed to register autoconfig.tld, the used email details would be send to the server of the attacker. It is recommended that the Nextcloud Mail app is upgraded to 1.14.6, 1.15.4, 2.2.11, 3.6.3, 3.7.7 or 4.0.0.
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GitHub
Merge pull request #9964 from nextcloud/fix/autoconfig/testable-dns-r⦠· nextcloud/mail@a84c70e
β¦esolver
fix(autoconfig): Refactor DNS query for testing
fix(autoconfig): Refactor DNS query for testing
π¨ CVE-2024-52511
Nextcloud Tables allows users to to create tables with individual columns. By directly specifying the ID of a table or view, a malicious user could blindly insert new rows into tables they have no access to. It is recommended that the Nextcloud Tables is upgraded to 0.8.0.
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Nextcloud Tables allows users to to create tables with individual columns. By directly specifying the ID of a table or view, a malicious user could blindly insert new rows into tables they have no access to. It is recommended that the Nextcloud Tables is upgraded to 0.8.0.
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GitHub
Authorization Bypass Through User-Controlled Key in Tables
### Impact
By directly specifying the ID of a table or view, a malicious user could blindly insert new rows into tables they have no access to.
### Patches
It is recommended that the Nextc...
By directly specifying the ID of a table or view, a malicious user could blindly insert new rows into tables they have no access to.
### Patches
It is recommended that the Nextc...
π¨ CVE-2024-52513
Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without providing the password. It is recommended that the Nextcloud Server is upgraded to 28.0.11, 29.0.8 or 30.0.1 and Nextcloud Enterprise Server is upgraded to 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11, 29.0.8 or 30.0.1.
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Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without providing the password. It is recommended that the Nextcloud Server is upgraded to 28.0.11, 29.0.8 or 30.0.1 and Nextcloud Enterprise Server is upgraded to 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11, 29.0.8 or 30.0.1.
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GitHub
Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares
### Impact
After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without provi...
After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without provi...
π¨ CVE-2024-48536
Incorrect access control in eSoft Planner 3.24.08271-USA allow attackers to view all transactions performed by the company via supplying a crafted web request.
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Incorrect access control in eSoft Planner 3.24.08271-USA allow attackers to view all transactions performed by the company via supplying a crafted web request.
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GitHub
GitHub - esoft-planner-cve/esoft_planner_cve
Contribute to esoft-planner-cve/esoft_planner_cve development by creating an account on GitHub.
π¨ CVE-2024-5918
An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you "Allow Authentication with User Credentials OR Client Certificate."
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An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you "Allow Authentication with User Credentials OR Client Certificate."
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Palo Alto Networks Product Security Assurance
CVE-2024-5918 PAN-OS: Improper Certificate Validation Enables Impersonation of a Legitimate GlobalProtect User
An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect po...
π¨ CVE-2024-10921
An authorized user may trigger crashes or receive the contents of buffer over-reads of Server memory by issuing specially crafted requests that construct malformed BSON in the MongoDB Server. This issue affects MongoDB Server v5.0 versions prior to 5.0.30 , MongoDB Server v6.0 versions prior to 6.0.19, MongoDB Server v7.0 versions prior to 7.0.15 and MongoDB Server v8.0 versions prior to and including 8.0.2.
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An authorized user may trigger crashes or receive the contents of buffer over-reads of Server memory by issuing specially crafted requests that construct malformed BSON in the MongoDB Server. This issue affects MongoDB Server v5.0 versions prior to 5.0.30 , MongoDB Server v6.0 versions prior to 6.0.19, MongoDB Server v7.0 versions prior to 7.0.15 and MongoDB Server v8.0 versions prior to and including 8.0.2.
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π¨ CVE-2024-37285
A deserialization issue in Kibana can lead to arbitrary code execution when Kibana attempts to parse a YAML document containing a crafted payload. A successful attack requires a malicious user to have a combination of both specific Elasticsearch indices privileges https://www.elastic.co/guide/en/elasticsearch/reference/current/defining-roles.html#roles-indices-priv and Kibana privileges https://www.elastic.co/guide/en/fleet/current/fleet-roles-and-privileges.html assigned to them.
The following Elasticsearch indices permissions are required
* write privilege on the system indices .kibana_ingest*
* The allow_restricted_indices flag is set to true
Any of the following Kibana privileges are additionally required
* Under Fleet the All privilege is granted
* Under Integration the Read or All privilege is granted
* Access to the fleet-setup privilege is gained through the Fleet Serverβs service account token
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A deserialization issue in Kibana can lead to arbitrary code execution when Kibana attempts to parse a YAML document containing a crafted payload. A successful attack requires a malicious user to have a combination of both specific Elasticsearch indices privileges https://www.elastic.co/guide/en/elasticsearch/reference/current/defining-roles.html#roles-indices-priv and Kibana privileges https://www.elastic.co/guide/en/fleet/current/fleet-roles-and-privileges.html assigned to them.
The following Elasticsearch indices permissions are required
* write privilege on the system indices .kibana_ingest*
* The allow_restricted_indices flag is set to true
Any of the following Kibana privileges are additionally required
* Under Fleet the All privilege is granted
* Under Integration the Read or All privilege is granted
* Access to the fleet-setup privilege is gained through the Fleet Serverβs service account token
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Discuss the Elastic Stack
Kibana 8.15.1 Security Update (ESA-2024-27, ESA-2024-28)
Kibana arbitrary code execution via YAML deserialization in Amazon Bedrock Connector (ESA-2024-27) A deserialization issue in Kibana can lead to arbitrary code execution when Kibana attempts to parse a YAML document containing a crafted payload. This issueβ¦
π¨ CVE-2024-52515
Nextcloud Server is a self hosted personal cloud system. After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SVG would preview the other file instead. It is recommended that the Nextcloud Server is upgraded to 27.1.10, 28.0.6 or 29.0.1 and Nextcloud Enterprise Server is upgraded to 24.0.12.15, 25.0.13.10, 26.0.13.4, 27.1.10, 28.0.6 or 29.0.1.
π@cveNotify
Nextcloud Server is a self hosted personal cloud system. After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SVG would preview the other file instead. It is recommended that the Nextcloud Server is upgraded to 27.1.10, 28.0.6 or 29.0.1 and Nextcloud Enterprise Server is upgraded to 24.0.12.15, 25.0.13.10, 26.0.13.4, 27.1.10, 28.0.6 or 29.0.1.
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GitHub
Incomplete sanitization of SVG files allows to embed other images into previews
### Impact
After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SV...
After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SV...
π¨ CVE-2024-52523
Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2 and Nextcloud Enterprise Server is upgraded to 25.0.13.14, 26.0.13.10, 27.1.11.10, 28.0.12, 29.0.9 or 30.0.2.
π@cveNotify
Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2 and Nextcloud Enterprise Server is upgraded to 25.0.13.14, 26.0.13.10, 27.1.11.10, 28.0.12, 29.0.9 or 30.0.2.
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GitHub
Custom defined credentials of external storages are sent back to the frontend
### Impact
After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain te...
After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain te...
π¨ CVE-2024-11837
Improper Neutralization of Special Elements used in an N1QL Command ('N1QL Injection') vulnerability in PlexTrac allows N1QL Injection.This issue affects PlexTrac: from 1.61.3 before 2.8.1.
π@cveNotify
Improper Neutralization of Special Elements used in an N1QL Command ('N1QL Injection') vulnerability in PlexTrac allows N1QL Injection.This issue affects PlexTrac: from 1.61.3 before 2.8.1.
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Plextrac
Security Advisories | PlexTrac Documentation
π₯1
π¨ CVE-2024-26581
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_rbtree: skip end interval element from gc
rbtree lazy gc on insert might collect an end interval element that has
been just added in this transactions, skip end interval elements that
are not yet active.
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In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_rbtree: skip end interval element from gc
rbtree lazy gc on insert might collect an end interval element that has
been just added in this transactions, skip end interval elements that
are not yet active.
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π¨ CVE-2023-52442
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: validate session id and tree id in compound request
`smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session()
will always return the first request smb2 header in a compound request.
if `SMB2_TREE_CONNECT_HE` is the first command in compound request, will
return 0, i.e. The tree id check is skipped.
This patch use ksmbd_req_buf_next() to get current command in compound.
π@cveNotify
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: validate session id and tree id in compound request
`smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session()
will always return the first request smb2 header in a compound request.
if `SMB2_TREE_CONNECT_HE` is the first command in compound request, will
return 0, i.e. The tree id check is skipped.
This patch use ksmbd_req_buf_next() to get current command in compound.
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