GLSA-201612-25 : CrackLib: Buffer overflow

This script is Copyright (C) 2016 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-201612-25
(CrackLib: Buffer overflow)

A stack-based buffer overflow was discovered in the FascistGecosUser
function of lib/fascist.c.

Impact :

A local attacker could set a specially crafted GECOS field value in
“/etc/passwd”; possibly resulting in the execution of arbitrary code
with the privileges of the process, a Denial of Service condition, or the
escalation of privileges.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/201612-25

Solution :

All CrackLib users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=sys-libs/cracklib-2.9.6-r1'

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 95641 ()

Bugtraq ID:

CVE ID: CVE-2016-6318

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