#VU41797 Permissions, Privileges, and Access Controls in bzip2 - CVE-2011-4089

 

#VU41797 Permissions, Privileges, and Access Controls in bzip2 - CVE-2011-4089

Published: April 16, 2014 / Updated: August 11, 2020


Vulnerability identifier: #VU41797
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2011-4089
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
bzip2
Software vendor:
bzip

Description

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.

External links