SB2022101844 - Multiple vulnerabilities in X.org Server

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Main Vulnerability Database SB2022101844

SB2022101844 - Multiple vulnerabilities in X.org Server

Published: October 18, 2022 Updated: February 7, 2023

Security Bulletin ID SB2022101844
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Memory leak (CVE-ID: CVE-2022-3553)

The vulnerability allows a local user to perform DoS attack on the target system.

The vulnerability exists due memory leak within the xquartz component in hw/xquartz/X11Controller.m. A local user can force the application to leak memory and perform denial of service attack.


2) Memory leak (CVE-ID: CVE-2022-3551)

The vulnerability allows a local user to perform DoS attack on the target system.

The vulnerability exists due memory leak within the ProcXkbGetKbdByName() function in xkb/xkb.c. A local user can force the application to leak memory and perform denial of service attack.


3) Buffer overflow (CVE-ID: CVE-2022-3550)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the _GetCountedString() function in xkb/xkb.c. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References