VulnerabilityModified
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.
MEDIUM 4.6EPSS 1.04%
Does this matter?
Lower severity and a low EPSS score (1.04%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.04% probability · 62th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- bzip/bzip2
- Source
- secalert@redhat.com
References
- http://seclists.org/fulldisclosure/2011/Oct/804
- http://www.exploit-db.com/exploits/18147Exploit
- http://www.openwall.com/lists/oss-security/2011/10/28/16
- http://www.ubuntu.com/usn/USN-1308-1Patch
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862Patch
- http://seclists.org/fulldisclosure/2011/Oct/804
- http://www.exploit-db.com/exploits/18147Exploit
- http://www.openwall.com/lists/oss-security/2011/10/28/16
- http://www.ubuntu.com/usn/USN-1308-1Patch
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.