[SECURITY] [DSA 3625-1] squid3 security update

From: Sebastien Delafond <seb@debian.org>
To: bugtraq@securityfocus.com
Cc:
Subject: [SECURITY] [DSA 3625-1] squid3 security update
Date:


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Debian Security Advisory DSA-3625-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
July 22, 2016                         https://www.debian.org/security/faq
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Package        : squid3
CVE ID         : CVE-2016-4051 CVE-2016-4052 CVE-2016-4053 CVE-2016-4054 
                 CVE-2016-4554 CVE-2016-4555 CVE-2016-4556
Debian Bug     : 823968

Several security issues have been discovered in the Squid caching proxy.

CVE-2016-4051:

  CESG and Yuriy M. Kaminskiy discovered that Squid cachemgr.cgi was
  vulnerable to a buffer overflow when processing remotely supplied
  inputs relayed through Squid.

CVE-2016-4052:

  CESG discovered that a buffer overflow made Squid vulnerable to a
  Denial of Service (DoS) attack when processing ESI responses.

CVE-2016-4053:

  CESG found that Squid was vulnerable to public information
  disclosure of the server stack layout when processing ESI responses.

CVE-2016-4054:

  CESG discovered that Squid was vulnerable to remote code execution
  when processing ESI responses.

CVE-2016-4554:

  Jianjun Chen found that Squid was vulnerable to a header smuggling
  attack that could lead to cache poisoning and to bypass of
  same-origin security policy in Squid and some client browsers.

CVE-2016-4555, CVE-2016-4556:

  "bfek-18" and "@vftable" found that Squid was vulnerable to a Denial
  of Service (DoS) attack when processing ESI responses, due to
  incorrect pointer handling and reference counting.

For the stable distribution (jessie), these problems have been fixed in
version 3.4.8-6+deb8u3.

For the testing (stretch) and unstable (sid) distributions, these
problems have been fixed in version 3.5.19-1.

We recommend that you upgrade your squid3 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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