USN-4059-1: Squid vulnerabilities

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
squid4.4-1ubuntu2.1
Ubuntu 18.04 LTS
squid33.5.27-1ubuntu1.2
Ubuntu 16.04 LTS
squid33.5.12-1ubuntu7.7

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

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