SB2020073120 - Integer overflow in libx11 (Alpine package)



SB2020073120 - Integer overflow in libx11 (Alpine package)

Published: July 31, 2020

Security Bulletin ID SB2020073120
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Integer overflow (CVE-ID: CVE-2020-14344)

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

The vulnerability exists due to integer overflow in the X Input Method (XIM) client in libX11. A local user can run a specially crafted program, trigger integer overflow and execute arbitrary code on the system with elevated privileges.


Remediation

Install update from vendor's website.