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Cisco Secure Email bug can let attackers bypass authentication

Cisco Secure Email bug can let attackers bypass authenticationPost Views: 1
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Reading Time: 2 Minutes
Cisco notified customers this week to patch a critical vulnerability that could allow attackers to bypass authentication and login into the web management interface of Cisco email gateway appliances with non-default configurations.
The security flaw (tracked as CVE-2022-20798) was found in the external authentication functionality of virtual and hardware Cisco Email Security Appliance (ESA) and Cisco Secure Email and Web Manager appliances.

CVE-2022-20798 is due to improper authentication checks on affected devices using Lightweight Directory Access Protocol (LDAP) for external authentication.

“An attacker could exploit this vulnerability by entering a specific input on the login page of the affected device,” Cisco explained.

“A successful exploit could allow the attacker to gain unauthorized access to the web-based management interface of the affected device.”

An advisory published on Wednesday says the bug was discovered during the resolution of a Cisco TAC (Technical Assistance Center) support case.

Cisco’s Product Security Incident Response Team (PSIRT) said it’s not aware of any publicly available exploits for this security bug or malicious use of the vulnerability in the wild.
See Also: So you want to be a hacker? Complete Offensive Security and Ethical Hacking Course https://www.blackhatethicalhacking.com/wp-content/uploads/2022/03/Solutions-1.png Doesn’t affect default configurationsThis bug only affects appliances configured to use external authentication and LDAP as the authentication protocol.

Luckily, according to Cisco, the external authentication feature is disabled by default, meaning only devices with non-default configurations are impacted.

To check if external auth is enabled on your appliance, log into the web-based management interface, go to System Administration > Users, and look for a green check box next to “Enable External Authentication.”
See Also: This new Linux malware is ‘almost impossible’ to detect Cisco also says this vulnerability does not affect its Cisco Secure Web Appliance product, previously known as Cisco Web Security Appliance (WSA).

Admins who cannot immediately install CVE-2022-20798 security updates can also apply a workaround that requires disabling anonymous binds on the external authentication server.

Another Secure Email gateway flaw patched in February could allow remote attackers to crash unpatched appliances using maliciously crafted email messages.
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Today, Cisco also announced it wouldn’t fix a critical zero-day bug affecting end-of-life RV110W, RV130, RV130W, and RV215W SMB routers, allowing attackers to execute arbitrary commands with root-level privileges.
See Also: The Difference between Vulnerability Assessment and Pentesting
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Black Hat Ethical Hacking Cisco Secure Email bug can let attackers bypass authentication Cisco Secure Email bug can let attackers bypass authenticationPost Views: 1 Premium Content https://www.blackhatethicalhacking.com/wp-content/uploads/2022/04/Patreon…
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CSRF leads to account takeover in Yahoo!

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Black Hat Ethical Hacking
Offensive Security Tool: Mobile Security Framework (MobSF)

Offensive Security Tool: Mobile Security Framework (MobSF)Post Views: 4
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Reading Time: 4 Minutes GitHub Link Mobile Security Framework (MobSF)Performing Pentesting on Mobile Application by the Red Team means you are dealing with either APK (Android), IPA (IOS), or EXE (Windows), you need to have a vast knowledge of how you can perform not only automated tests and attacks but also Dynamic, which requires a special setup and specific tools, with special knowledge on how you can look under the hood within the source code itself, trying to find various range of vulnerabilities.

Mobile Security Framework (MobSF) is an automated, all-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis and security assessment framework capable of performing static and dynamic analysis. MobSF supports mobile app binaries (APK, XAPK, IPA & APPX) along with zipped source code and provides REST APIs for seamless integration with your CI/CD or DevSecOps pipeline. The Dynamic Analyzer helps you to perform runtime security assessment and interactive instrumented testing.
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The post Offensive Security Tool: Mobile Security Framework (MobSF) first appeared on Black Hat Ethical Hacking.

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