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Vulnerability of Squid cache: two vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Squid cache.
Impacted products: Debian, Fedora, openSUSE Leap, RHEL, Squid, Ubuntu.
Severity of this bulletin: 3/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 19/12/2016.
Références of this threat: CERTFR-2016-AVI-422, CVE-2016-10002, CVE-2016-10003, DLA-763-1, DSA-3745-1, FEDORA-2016-c614315d29, openSUSE-SU-2017:0192-1, RHSA-2017:0182-01, RHSA-2017:0183-01, USN-3192-1, VIGILANCE-VUL-21417.

Description of the vulnerability 

Several vulnerabilities were announced in Squid cache.

When the configuration directive collapsed_forwarding is enabled, an attacker can request an URL with some specially crafted headers, to get the response which was cached while processing a request for a previous client, in order to get the response body of the initial client. [severity:3/4; CVE-2016-10003]

An attacker can request an URL with specially crafted header If-None-Modified, to get the response which was cached while processing a request for a previous client, in order to get the response body of the initial client, including session cookies and the associated access rights. [severity:3/4; CVE-2016-10002]
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This computer weakness note impacts software or systems such as Debian, Fedora, openSUSE Leap, RHEL, Squid, Ubuntu.

Our Vigil@nce team determined that the severity of this security bulletin is important.

The trust level is of type confirmed by the editor, with an origin of intranet client.

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this weakness announce.

Solutions for this threat 

Squid cache: version 3.5.23.
The version 3.5.23 is fixed:
  http://www.squid-cache.org/Versions/v3/3.5/squid-3.5.23.tar.bz2

Debian: new squid3 packages.
New packages are available:
  Debian 7: squid3 3.1.20-2.2+deb7u7
  Debian 8: squid3 3.4.8-6+deb8u4

Fedora: new squid packages.
New packages are available:
  Fedora 25: squid 4.0.17-1.fc25

openSUSE Leap 42.2: new squid packages.
New packages are available:
  openSUSE Leap 42.2: squid 3.5.21-3.1

RHEL 6.8: new squid34 packages.
New packages are available:
  RHEL 6: squid34 3.4.14-9.el6_8.4

RHEL 7.3: new squid packages.
New packages are available:
  RHEL 7: squid 3.5.20-2.el7_3.2

Ubuntu: new squid3 packages.
New packages are available:
  Ubuntu 16.10: squid3 3.5.12-1ubuntu8.1
  Ubuntu 16.04 LTS: squid3 3.5.12-1ubuntu7.3
  Ubuntu 14.04 LTS: squid3 3.3.8-1ubuntu6.9
  Ubuntu 12.04 LTS: squid3 3.1.19-1ubuntu3.12.04.8
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