SB2023100347 - Ubuntu update for libx11 

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2023100347

SB2023100347 - Ubuntu update for libx11

Published: October 3, 2023

Security Bulletin ID SB2023100347
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) Out-of-bounds read (CVE-ID: CVE-2023-43785)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the _XkbReadKeySyms() function. A local user can trigger an out-of-bounds read error and read contents of memory on the system.


2) Infinite loop (CVE-ID: CVE-2023-43786)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within the PutSubImage() function. A local user can consume all available system resources and cause denial of service conditions.


3) Integer overflow (CVE-ID: CVE-2023-43787)

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

The vulnerability exists due to integer overflow within the XCreateImage() function. A local user can trigger integer overflow and execute arbitrary code with elevated privileges.



Remediation

Install update from vendor's website.

References