CVE-2022-22786 – Update package downgrade in Zoom Client for Meetings for Windows
https://notcve.org/view.php?id=CVE-2022-22786
The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version. Zoom Client for Meetings para Windows versiones anteriores a 5.10.0 y Zoom Rooms for Conference Room para Windows versiones anteriores a 5.10.0, no comprueban apropiadamente la versión de instalación durante el proceso de actualización. Este problema podría ser usado en un ataque más sofisticado para engañar a un usuario para que actualice su cliente Zoom a una versión menos segura • https://explore.zoom.us/en/trust/security/security-bulletin • CWE-494: Download of Code Without Integrity Check •
CVE-2022-22785 – Improperly constrained session cookies in Zoom Client for Meetings
https://notcve.org/view.php?id=CVE-2022-22785
The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly constrain client session cookies to Zoom domains. This issue could be used in a more sophisticated attack to send an unsuspecting users Zoom-scoped session cookies to a non-Zoom domain. This could potentially allow for spoofing of a Zoom user. Zoom Client for Meetings (para Android, iOS, Linux, MacOS y Windows) versiones anteriores a 5.10.0, no restringe apropiadamente las cookies de sesión del cliente a los dominios de Zoom. Este problema podría ser usado en un ataque más sofisticado para enviar a un usuario desprevenido las cookies de sesión de Zoom a un dominio que no es de Zoom. • https://explore.zoom.us/en/trust/security/security-bulletin • CWE-565: Reliance on Cookies without Validation and Integrity Checking •
CVE-2022-22784 – Improper XML Parsing in Zoom Client for Meetings
https://notcve.org/view.php?id=CVE-2022-22784
The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly parse XML stanzas in XMPP messages. This can allow a malicious user to break out of the current XMPP message context and create a new message context to have the receiving users client perform a variety of actions.This issue could be used in a more sophisticated attack to forge XMPP messages from the server. Zoom Client for Meetings (para Android, iOS, Linux, MacOS y Windows) versiones anteriores a 5.10.0, no analizaba apropiadamente las estrofas XML en los mensajes XMPP. Esto puede permitir a un usuario malicioso salir del contexto actual del mensaje XMPP y crear un nuevo contexto de mensaje para que el cliente de usuarios receptores lleve a cabo una variedad de acciones. Este problema podría ser usado en un ataque más sofisticado para falsificar mensajes XMPP desde el servidor • https://explore.zoom.us/en/trust/security/security-bulletin • CWE-91: XML Injection (aka Blind XPath Injection) •
CVE-2022-22782 – Local privilege escalation in Windows Zoom Clients
https://notcve.org/view.php?id=CVE-2022-22782
The Zoom Client for Meetings for Windows prior to version 5.9.7, Zoom Rooms for Conference Room for Windows prior to version 5.10.0, Zoom Plugins for Microsoft Outlook for Windows prior to version 5.10.3, and Zoom VDI Windows Meeting Clients prior to version 5.9.6; was susceptible to a local privilege escalation issue during the installer repair operation. A malicious actor could utilize this to potentially delete system level files or folders, causing integrity or availability issues on the user’s host machine. Zoom Client for Meetings para Windows versiones anteriores a 5.9.7, Zoom Rooms for Conference Room para Windows versiones anteriores a 5.10.0, Zoom Plugins for Microsoft Outlook para Windows versiones anteriores a 5.10.3 y Zoom VDI Windows Meeting Clients versiones anteriores a 5.9.6; eran susceptibles de un problema de escalada de privilegios local durante la operación de reparación del instalador. Un actor malicioso podría usar esto para eliminar potencialmente archivos o carpetas a nivel de sistema, causando problemas de integridad o disponibilidad en la máquina anfitriona del usuario This vulnerability allows local attackers to escalate privileges on affected installations of Zoom Client. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the installer. • https://explore.zoom.us/en/trust/security/security-bulletin •
CVE-2022-22781 – Update package downgrade in Zoom Client for Meetings for MacOS
https://notcve.org/view.php?id=CVE-2022-22781
The Zoom Client for Meetings for MacOS (Standard and for IT Admin) prior to version 5.9.6 failed to properly check the package version during the update process. This could lead to a malicious actor updating an unsuspecting user’s currently installed version to a less secure version. Zoom Client for Meetings para MacOS (estándar y para administradores de TI) versiones anteriores a 5.9.6, no comprobaba apropiadamente la versión del paquete durante el proceso de actualización. Esto podría conllevar que un actor malicioso actualizara la versión actualmente instalada de un usuario desprevenido a una versión menos segura • https://explore.zoom.us/en/trust/security/security-bulletin • CWE-354: Improper Validation of Integrity Check Value •