USN-4059-1: Squid vulnerabilities
squid, squid3 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Squid.
Software Description
- 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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- squid – 4.4-1ubuntu2.1
- Ubuntu 18.04 LTS
- squid3 – 3.5.27-1ubuntu1.2
- Ubuntu 16.04 LTS
- squid3 – 3.5.12-1ubuntu7.7
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.
References
Source: USN-4059-1: Squid vulnerabilities
