SB2022031623 - Ubuntu update for tar
Published: March 16, 2022 Updated: February 21, 2023
Security Bulletin ID
SB2022031623
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2021-20193)
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak within the read_header() function in list.c. A remote attacker can pass specially crafted archive to the application and force it to leak memory, which eventually results in a denial of service condition.
Remediation
Install update from vendor's website.