1. Ubuntu Security Notices
  2. USN-4059-1

USN-4059-1: Squid vulnerabilities

Publication date

15 July 2019

Overview

Several security issues were fixed in Squid.

Releases

Packages

  • 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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
19.04 disco squid –  4.4-1ubuntu2.1
18.04 bionic squid3 –  3.5.27-1ubuntu1.2
16.04 xenial squid3 –  3.5.12-1ubuntu7.7

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References

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