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

Ubuntu Security Notice (C) 2011-2016 Canonical, Inc. / NASL script (C) 2011-2016 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.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

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

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