==========================================================================
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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