SB2023012383 - Red Hat Enterprise Linux 9 update for bash 



SB2023012383 - Red Hat Enterprise Linux 9 update for bash

Published: January 23, 2023

Security Bulletin ID SB2023012383
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) Heap-based buffer overflow (CVE-ID: CVE-2022-3715)

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

The vulnerability exists due to a boundary error in valid_parameter_transform() function in GNU bash. A local user can trigger a heap-based buffer overflow and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.