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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: "ubuntu-security-announce@lists.ubuntu.com"
 <ubuntu-security-announce@lists.ubuntu.com>
Message-ID: <7bfb8ab3-826f-d8e6-7daa-23732de5225c@canonical.com>
Subject: [USN-4059-1] Squid vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-4059-1
July 15, 2019

squid, squid3 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Squid.

Software Description:
- squid: Web proxy cache server
- squid3: Web proxy cache server

Details:

It was discovered that Squid incorrectly handled certain SNMP packets. A
remote attacker could possibly use this issue to cause memory consumption,
leading to a denial of service. This issue only affected Ubuntu 16.04 LTS
and Ubuntu 18.04 LTS. (CVE-2018-19132)

It was discovered that Squid incorrectly handled the cachemgr.cgi web
module. A remote attacker could possibly use this issue to conduct
cross-site scripting (XSS) attacks. (CVE-2019-13345)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
  squid                           4.4-1ubuntu2.1

Ubuntu 18.04 LTS:
  squid3                          3.5.27-1ubuntu1.2

Ubuntu 16.04 LTS:
  squid3                          3.5.12-1ubuntu7.7

In general, a standard system update will make all the necessary changes.

References:
  https://usn.ubuntu.com/4059-1
  CVE-2018-19132, CVE-2019-13345

Package Information:
  https://launchpad.net/ubuntu/+source/squid/4.4-1ubuntu2.1
  https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.2
  https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubuntu7.7


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