First published: Wed Apr 16 2014(Updated: )
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.
Credit: secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
bzip2 | =1.0 | |
bzip2 | <=1.0.4 | |
bzip2 | =1.0.3 | |
bzip2 | =1.0.2 | |
bzip2 | =1.0.1 | |
Bzip2 | <=1.0.4 | |
Bzip2 | =1.0 | |
Bzip2 | =1.0.1 | |
Bzip2 | =1.0.2 | |
Bzip2 | =1.0.3 |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2011-4089 is considered a high severity vulnerability due to the potential for local users to execute arbitrary code.
To fix CVE-2011-4089, users should upgrade to bzip2 version 1.0.5 or later.
CVE-2011-4089 affects bzip2 versions up to 1.0.4 and including versions 1.0, 1.0.1, 1.0.2, and 1.0.3.
CVE-2011-4089 cannot be exploited remotely as it requires local access to the system.
CVE-2011-4089 involves improper handling of temporary files during extraction by the bzexe command.