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

USN-4059-2: Squid vulnerabilities

Publication date

17 July 2019

Overview

Several security issues were fixed in Squid.

Releases

Packages

  • squid3 - Web proxy cache server

Details

USN-4059-1 and USN-3557-1 fixed several vulnerabilities in Squid. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Louis Dion-Marcil discovered that Squid incorrectly handled certain
Edge Side Includes (ESI) responses. A malicious remote server could
possibly cause Squid to crash, resulting in a denial of service.
(CVE-2018-1000024)

Louis Dion-Marcil discovered that Squid incorrectly handled certain
Edge Side Includes (ESI) responses. A malicious remote server could
possibly cause Squid to crash, resulting in a denial of service.
(CVE-2018-1000027)

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)

USN-4059-1 and USN-3557-1 fixed several vulnerabilities in Squid. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Louis Dion-Marcil discovered that Squid incorrectly handled certain
Edge Side Includes (ESI) responses. A malicious remote server could
possibly cause Squid to crash, resulting in a denial of service.
(CVE-2018-1000024)

Louis Dion-Marcil discovered that Squid incorrectly handled certain
Edge Side Includes (ESI) responses. A malicious remote server could
possibly cause Squid to crash, resulting in a denial of service.
(CVE-2018-1000027)

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
12.04 precise squid3 –  3.1.19-1ubuntu3.12.04.9

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References

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