Several security issues were fixed in Squid.
USN-4059-1 and USN-3557-1 fixed several vulnerabilities in Squid. This update provides the corresponding update for Ubuntu 12.04 ESM.
17 July 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Squid.
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)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon