Vulnerability Monitor

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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

2014-04-16T18:37:11.257

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	bzip	bzip2	≤ 1.0.4	Yes
Application	bzip	bzip2	1.0	Yes
Application	bzip	bzip2	1.0.1	Yes
Application	bzip	bzip2	1.0.2	Yes
Application	bzip	bzip2	1.0.3	Yes

References

http://seclists.org/fulldisclosure/2011/Oct/804 ([email protected])
http://www.exploit-db.com/exploits/18147 Exploit ([email protected])
http://www.openwall.com/lists/oss-security/2011/10/28/16 ([email protected])
http://www.ubuntu.com/usn/USN-1308-1 Patch ([email protected])
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862 Patch ([email protected])
http://seclists.org/fulldisclosure/2011/Oct/804 (af854a3a-2127-422b-91ae-364da2661108)
http://www.exploit-db.com/exploits/18147 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2011/10/28/16 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1308-1 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862 Patch (af854a3a-2127-422b-91ae-364da2661108)