Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : bzip2 vulnerability (USN-1308-1)

Ubuntu Security Notice (C) 2011-2014 Canonical, Inc. / NASL script (C) 2011-2014 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

vladz discovered that executables compressed by bzexe insecurely
create temporary files when they are ran. A local attacker could
exploit this issue to execute arbitrary code as the user running a
compressed executable.

Solution :

Update the affected bzip2 package.

Risk factor :

Medium / CVSS Base Score : 4.6
(CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 3.8
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 57315 ()

Bugtraq ID: 50409

CVE ID: CVE-2011-4089