USN-4059-2: Squid vulnerabilities

17 July 2019

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)

Update instructions

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

Ubuntu 12.04

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

Related notices

  • USN-3557-1: squid, squid-purge, squidclient, squid-cgi, squid3, squid-common, squid3-common
  • USN-4059-1: squid, squid-purge, squidclient, squid-cgi, squid3, squid-common