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Gentoo Linux Security Advisory 201612-08

Gentoo Linux Security Advisory 201612-08
Posted Dec 5, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201612-8 - A vulnerability in LinuxCIFS utils' cifscreds PAM module might allow remote attackers to have an unspecified impact via unknown vectors. Versions less than 6.4 are affected.

tags | advisory, remote
systems | linux, gentoo
advisories | CVE-2014-2830
SHA-256 | 157e1bb44b38d6fff2d5e5d88fe6ef4ef947c69fbb690162f17ab3178fbbff7b

Gentoo Linux Security Advisory 201612-08

Change Mirror Download

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Gentoo Linux Security Advisory GLSA 201612-08
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https://security.gentoo.org/
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Severity: Normal
Title: LinuxCIFS utils: Buffer overflow
Date: December 04, 2016
Bugs: #552634
ID: 201612-08

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Synopsis
========

A vulnerability in LinuxCIFS utils' "cifscreds" PAM module might allow
remote attackers to have an unspecified impact via unknown vectors.

Background
==========

The LinuxCIFS utils are a collection of tools for managing Linux CIFS
Client Filesystems.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-fs/cifs-utils < 6.4 >= 6.4

Description
===========

A stack-based buffer overflow was discovered in cifskey.c or
cifscreds.c in LinuxCIFS, as used in "pam_cifscreds."

Impact
======

A remote attacker could exploit this vulnerability to cause an
unspecified impact.

Workaround
==========

Don't use LinuxCIFS utils' "cifscreds" PAM module. In Gentoo, LinuxCIFS
utils' PAM support is disabled by default unless the "pam" USE flag is
enabled.

Resolution
==========

All LinuxCIFS utils users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-fs/cifs-utils-6.4"

References
==========

[ 1 ] CVE-2014-2830
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2830

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201612-08

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2016 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5


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