[SECURITY] [DSA 4122-1] squid3 security update

From: Salvatore Bonaccorso <carnil@debian.org>
To: bugtraq@securityfocus.com
Cc:
Subject: [SECURITY] [DSA 4122-1] squid3 security update
Date:


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Debian Security Advisory DSA-4122-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 23, 2018                     https://www.debian.org/security/faq
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Package        : squid3
CVE ID         : CVE-2018-1000024 CVE-2018-1000027
Debian Bug     : 888719 888720

Several vulnerabilities have been discovered in Squid3, a fully featured
web proxy cache. The Common Vulnerabilities and Exposures project
identifies the following issues:

CVE-2018-1000024

    Louis Dion-Marcil discovered that Squid does not properly handle
    processing of certain ESI responses. A remote server delivering
    certain ESI response syntax can take advantage of this flaw to cause
    a denial of service for all clients accessing the Squid service.
    This problem is limited to the Squid custom ESI parser.

    http://www.squid-cache.org/Advisories/SQUID-2018_1.txt

CVE-2018-1000027

    Louis Dion-Marcil discovered that Squid is prone to a denial of
    service vulnerability when processing ESI responses or downloading
    intermediate CA certificates. A remote attacker can take advantage
    of this flaw to cause a denial of service for all clients accessing
    the Squid service.

    http://www.squid-cache.org/Advisories/SQUID-2018_2.txt

For the oldstable distribution (jessie), these problems have been fixed
in version 3.4.8-6+deb8u5.

For the stable distribution (stretch), these problems have been fixed in
version 3.5.23-5+deb9u1.

We recommend that you upgrade your squid3 packages.

For the detailed security status of squid3 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/squid3

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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