SB2014041603 - Permissions, Privileges, and Access Controls in bzip bzip2
Published: April 16, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014041603
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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2011-4089)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during extraction, which allows local users to execute arbitrary code by precreating a temporary directory.
Remediation
Install update from vendor's website.