SB2022052613 - Debian update for dpkg
Published: May 26, 2022
Security Bulletin ID
SB2022052613
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2022-1664)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error in Dpkg::Source::Archive in dpkg when extracting untrusted source packages in the v2 and v3
source package formats that include a debian.tar. A remote attacker can create a specially crafted package with symbolic links that point to files outside the source tree root directory and overwrite arbitrary files on the system.
Remediation
Install update from vendor's website.