SB2021111087 - Fedora 33 update for freerdp, gnome-boxes, gnome-remote-desktop, guacamole-server, hydra, medusa, pidgin-sipe, remmina, vinagre, weston



SB2021111087 - Fedora 33 update for freerdp, gnome-boxes, gnome-remote-desktop, guacamole-server, hydra, medusa, pidgin-sipe, remmina, vinagre, weston

Published: November 10, 2021

Security Bulletin ID SB2021111087
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2021-41160)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing connections with GDI or SurfaceCommands. A remote server can send specially crafted data to the client, trigger an out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.