SB2020123023 - openEuler 20.03 LTS update for tmux
Published: December 30, 2020
Security Bulletin ID
SB2020123023
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2020-27347)
The vulnerability allows a local authenticated user to execute arbitrary code.
In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.
Remediation
Install update from vendor's website.