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Noticias y alertas de seguridad informática.
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Cisco Releases Security Updates for Multiple Products
Original release date: April 14, 2022

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review the Cisco Security Advisories page and apply the necessary updates.

https://www.cisa.gov/uscert/ncas/current-activity/2022/04/14/cisco-releases-security-updates-multiple-products
Auth bypass flaw in Cisco Wireless LAN Controller Software allows device takeover

Cisco fixed a critical flaw in Cisco Wireless LAN Controller (WLC) that could allow an unauthenticated, remote attacker to take control affected devices.
Cisco has released security patches to fix a critical vulnerability (CVSS score 10), tracked as CVE-2022-20695, in Cisco Wireless LAN Controller (WLC). A remote, unauthenticated attacker could exploit the flaw to bypass authentication and log in to the device through the management interface.

https://securityaffairs.co/wordpress/130217/security/auth-bypass-cisco-wireless-lan-controller.html
Workaround for security issue in 7-Zip until it is fixed.

Recent versions of the open source archiver 7-Zip have a vulnerability that has not been fixed yet. Successful exploitation of the vulnerability allows privilege escalation and the execution of commands; it appears that the issue can be exploited locally only.

ttps://www.ghacks.net/2022/04/18/workaround-for-security-issue-in-7-zip-until-it-is-fixed/
When “secure” isn’t secure at all: High‑impact UEFI vulnerabilities discovered in Lenovo consumer laptops

ESET researchers discover multiple vulnerabilities in various Lenovo laptop models that allow an attacker with admin privileges to expose the user to firmware-level malware

https://www.welivesecurity.com/2022/04/19/when-secure-isnt-secure-uefi-vulnerabilities-lenovo-consumer-laptops/
Oracle Releases April 2022 Critical Patch Update
Original release date: April 19, 2022

Oracle has released its Critical Patch Update for April 2022 to address 520 vulnerabilities across multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system.

CISA encourages users and administrators to review the Oracle April 2022 Critical Patch Update and apply the necessary updates.

https://www.cisa.gov/uscert/ncas/current-activity/2022/04/19/oracle-releases-april-2022-critical-patch-update
Múltiples vulnerabilidades en el core de Drupal 9

Fecha de publicación: 21/04/2022
Importancia: 3 - Media

Recursos afectados:
Drupal, versiones anteriores a la 9.3.12 y 9.2.18.

Las versiones de Drupal 8 y de Drupal 9, anteriores a la 9.2.x, se encuentran al final de su vida útil y ya no reciben cobertura de seguridad.

Descripción:
Se han publicado dos vulnerabilidades de severidad media, que podrían afectar al core de Drupal.

https://www.incibe-cert.es/alerta-temprana/avisos-seguridad/multiples-vulnerabilidades-el-core-drupal-9
Jira Security Advisory 2022-04-20

Summary
CVE-2022-0540 - Authentication bypass in Seraph
Severity: critical

Fixed Jira Versions
8.13.x >= 8.13.18
8.20.x >= 8.20.6
All versions >= 8.22.0

https://confluence.atlassian.com/jira/jira-security-advisory-2022-04-20-1115127899.html
Múltiples vulnerabilidades en dispositivos NAS de QNAP

Fecha de publicación: 26/04/2022
Importancia: 4 - Alta

Recursos afectados:
Dispositivos NAS de QNAP con versiones:
QTS 5.0.x y posteriores
QTS 4.5.4 y posteriores
QTS 4.3.6 y posteriores
QTS 4.3.4 y posteriores
QTS 4.3.3 y posteriores
QTS 4.2.6 y posteriores
QuTS hero h5.0.x y posteriores
QuTS hero h4.5.4 y posteriores
QuTScloud c5.0.x


https://www.incibe.es/protege-tu-empresa/avisos-seguridad/multiples-vulnerabilidades-dispositivos-nas-qnap
PowerShell Elevation of Privilege Vulnerability
CVE-2022-26788
Released: Apr 12, 2022
Last updated: Apr 27, 2022

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26788

PowerShell Elevation of Privilege Vulnerability.
CNA: Microsoft Corporation
Base Score: 7.8 HIGH

https://nvd.nist.gov/vuln/detail/CVE-2022-26788#vulnCurrentDescriptionTitle
QNAP warns users to disable AFP until it fixes critical bugs.

Taiwanese corporation QNAP has asked customers this week to disable the AFP file service protocol on their network-attached storage (NAS) appliances until it fixes multiple critical Netatalk vulnerabilities.

https://www.bleepingcomputer.com/news/security/qnap-warns-users-to-disable-afp-until-it-fixes-critical-bugs/
Microsoft Patches Pair of Dangerous Vulnerabilities in Azure PostgreSQL.

Flaws gave attackers a way to access other cloud accounts and databases, security vendor says.

Microsoft has patched a dangerous pair of vulnerabilities in its Azure Database for PostgreSQL Flexible Server that gave attackers unauthorized cross-account access to databases in cloud hosted environments.

https://www.darkreading.com/cloud/microsoft-patches-pair-of-dangerous-vulnerabilities-in-azure-postgresql
CISCO corrige vulnerabilidades en dispositivos ASA, FTD y FMC

Fecha de publicación: 29/04/2022
Importancia: 4 - Alta

Descripción:
Cisco ha publicado varias vulnerabilidades de severidad alta de tipo denegación de servicio, desbordamiento de pila, divulgación de información, escalada de privilegios, y bypass de seguridad en la carga de archivos que afectan a dispositivos con el software ASA, FTD y FMC.

https://www.incibe.es/protege-tu-empresa/avisos-seguridad/cisco-corrige-vulnerabilidades-dispositivos-asa-ftd-y-fmc
Vulnerabilidades críticas en DSM y SRM de Synology

Fecha de publicación: 03/05/2022
Importancia: 5 - Crítica

Recursos afectados:
Software para los NAS (DSM) y los rúteres (SRM):
DSM, versiones 7.1, 7.0 y 6.2;
Firmware, versión VS 2.3;
SRM, versión 1.2.

Descripción:
Synology ha publicado varias vulnerabilidades de severidad crítica que afectan al software DSM y SRM, las cuales podrían permitir a un atacante ejecutar código arbitrario u obtener información confidencial.

https://www.incibe.es/protege-tu-empresa/avisos-seguridad/vulnerabilidades-criticas-dsm-y-srm-synology
Ejecución remota de código en switches de Aruba

Fecha de publicación: 04/05/2022
Importancia: 5 - Crítica

Descripción:
El equipo de investigación de Armis ha descubierto múltiples vulnerabilidades de desbordamiento de búfer basado en memoria dinámica (heap) en varios dispositivos de Aruba que podría permitir a un atacante remoto la ejecución de código arbitrario en el dispositivo afectado.

https://www.incibe-cert.es/alerta-temprana/avisos-seguridad/ejecucion-remota-codigo-switches-aruba
Security Advisory Description
Undisclosed requests may bypass iControl REST authentication. (CVE-2022-1388)

Impact
This vulnerability may allow an unauthenticated attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system commands, create or delete files, or disable services. There is no data plane exposure; this is a control plane issue only.

https://support.f5.com/csp/article/K23605346