USN-4059-2: Squid vulnerabilities

Releases

• Ubuntu 12.04

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

• squid3 - 3.1.19-1ubuntu3.12.04.9

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

References

• CVE-2018-1000024
• CVE-2018-1000027
• CVE-2019-13345

Related notices

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