SB2023010323 - Ubuntu update for usbredir
Published: January 3, 2023
Security Bulletin ID
SB2023010323
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) Use-after-free (CVE-ID: CVE-2021-3700)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the usbredirparser_serialize() function in usbredirparser/usbredirparser.c. A local user can execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.