GLSA-200711-18 : Cpio: Buffer overflow

This script is Copyright (C) 2007-2015 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200711-18
(Cpio: Buffer overflow)

A buffer overflow vulnerability in the safer_name_suffix() function in
GNU cpio has been discovered.

Impact :

A remote attacker could entice a user to open a specially crafted
archive file resulting in a stack-based buffer overflow, possibly
crashing the application. It is disputed whether the execution of
arbitrary code is possible.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/200711-18

Solution :

All GNU cpio users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-arch/cpio-2.9-r1'

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 7.5
(CVSS2#E:ND/RL:ND/RC:C)
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 28218 (gentoo_GLSA-200711-18.nasl)

Bugtraq ID:

CVE ID: CVE-2007-4476