– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 201502-05
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
http://security.gentoo.org/
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Severity: Normal
Title: tcpdump: Multiple vulnerabilities
Date: February 07, 2015
Bugs: #534660
ID: 201502-05

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Synopsis
========

Multiple vulnerabilities in tcpdump could result in execution of
arbitrary code or Denial of Service.

Background
==========

tcpdump is a tool for capturing and inspecting network traffic.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-analyzer/tcpdump < 4.6.2-r1 >= 4.6.2-r1

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

Multiple vulnerabilities have been discovered in tcpdump:

* The olsr_print function function contains an integer underflow error
(CVE-2014-8767)
* The geonet_print function function contains multiple integer
underflow errors (CVE-2014-8768)
* The decoder for the Ad hoc On-Demand Distance Vector protocol
contains an out-of-bounds memory access error (CVE-2014-8769)
* The ppp_hdlc function contains a buffer overflow error
(CVE-2014-9140)

Impact
======

A remote attacker may be able to send a specially crafted packet,
possibly resulting in execution of arbitrary code or a Denial of
Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All tcpdump users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=net-analyzer/tcpdump-4.6.2-r1”

References
==========

[ 1 ] CVE-2014-8767
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8767
[ 2 ] CVE-2014-8768
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8768
[ 3 ] CVE-2014-8769
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8769
[ 4 ] CVE-2014-9140
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9140

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

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

http://security.gentoo.org/glsa/glsa-201502-05.xml

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 2015 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

—–BEGIN PGP SIGNATURE—–

iQEcBAEBCgAGBQJU1nBKAAoJEP7VAChXwav6Z3YIAIgxjIVZbPv9Vxu8j6nGN/6/
XJAAFOck74Opfj1TBdN40uX/78VIjG3ZUham6OAiWwA7g9P5OtaOsoHu/34yG6b/
2Q8+zHPquL9rhoGmzZ7nTLOMmQNs7KZi5hrjkSG0nOj+nK4g++Va5SIaj35GEVnR
7YkdcTUeRSu0jlQH+8wQYXnhJYumyqS4VjJPaLuhp0DNVGGpO7TVE6l6fAYZimh+
mBsMRjnfqo2+erRo3gy+Xz3ZJ1elsIk9jYSBtzIn1lFZ97pGBEGt3jXLhfivFuiw
LQCDOQH5+r4kSBAL/DlYQ62GLRjM7lnd6seVuCzDjjxU5gehAkjgU/s98krmdxE=
=cB2y
—–END PGP SIGNATURE—–