Gentoo: 201312-15 Tinyproxy: Denial of Service
Posted by Benjamin D. Thomas   
Gentoo A vulnerability has been found in Tinyproxy, allows remote attackers to cause a Denial of Service condition.
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Gentoo Linux Security Advisory                           GLSA 201312-15
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: Tinyproxy: Denial of Service
     Date: December 23, 2013
     Bugs: #432046
       ID: 201312-15

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Synopsis
========

A vulnerability has been found in Tinyproxy, allows remote attackers to
cause a Denial of Service condition.

Background
==========

Tinyproxy is a light-weight HTTP/HTTPS proxy daemon for POSIX operating
systems.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-proxy/tinyproxy         < 1.8.3-r3               >= 1.8.3-r3

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

A vulnerability has been discovered in the way how Tinyproxy works with
headers.

Impact
======

A remote attacker could send a specially crafted request with too many
headers, possibly resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Tinyproxy users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-proxy/tinyproxy-1.8.3-r3"

References
==========

[ 1 ] CVE-2012-3505
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3505

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

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

 http://security.gentoo.org/glsa/glsa-201312-15.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 2013 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