CVE-2011-4089 EXPLOIT
4.6
MEDIUM · CVSS 2.0 · EPSS 1% (pctl 63)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 4.6 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 1.05% — more likely to be exploited than 63% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2014-04-16 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| bzip | bzip2 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | bzexe (bzip2) - Race Condition | 2011-11-23 |
References
- http://seclists.org/fulldisclosure/2011/Oct/804
- http://www.exploit-db.com/exploits/18147
- http://www.openwall.com/lists/oss-security/2011/10/28/16
- http://www.ubuntu.com/usn/USN-1308-1
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862
- http://seclists.org/fulldisclosure/2011/Oct/804
- http://www.exploit-db.com/exploits/18147
- http://www.openwall.com/lists/oss-security/2011/10/28/16
- http://www.ubuntu.com/usn/USN-1308-1
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862
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