SB2020120934 - Ubuntu update for apt
Published: December 9, 2020 Updated: April 23, 2025
Security Bulletin ID
SB2020120934
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2020-27350)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow while parsing .deb packages in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. A local user can pass specially crafted file to the application, trigger integer overflow and execute arbitrary code on the target system with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.