Vulnerability in Bzip Bzip2
CVE-2011-4089
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.6 (Medium). Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.010 (62.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Bzip Bzip2 — versions 1.0, 1.0.1, 1.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/fulldisclosure/2011/Oct/804 (mailing-list)
- bugs.debian.org/cgi-bin/bugreport.cgi (Patch)
- www.ubuntu.com/usn/USN-1308-1 (vendor-advisory, Patch)
- www.exploit-db.com/exploits/18147 (Exploit, exploit)
- www.openwall.com/lists/oss-security/2011/10/28/16 (mailing-list)
Frequently asked questions
- What is CVE-2011-4089?
- CVE-2011-4089 is a vulnerability in Bzip Bzip2, classified under CWE-264. Published 2014-04-16.
- Is CVE-2011-4089 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.