1. Ubuntu Security Notices
  2. USN-5641-1

USN-5641-1: Squid vulnerabilities

Publication date

26 September 2022

Overview

Several security issues were fixed in Squid.

Releases

Packages

  • squid - Web proxy cache server
  • squid3 - Web proxy cache server

Details

Mikhail Evdokimov discovered that Squid incorrectly handled cache manager
ACLs. A remote attacker could possibly use this issue to obtain sensitive
information. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04
LTS. (CVE-2022-41317)

It was discovered that Squid incorrectly handled SSPI and SMB
authentication. A remote attacker could use this issue to cause Squid to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2022-41318)

Mikhail Evdokimov discovered that Squid incorrectly handled cache manager
ACLs. A remote attacker could possibly use this issue to obtain sensitive
information. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04
LTS. (CVE-2022-41317)

It was discovered that Squid incorrectly handled SSPI and SMB
authentication. A remote attacker could use this issue to cause Squid to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2022-41318)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy squid –  5.2-1ubuntu4.2
20.04 focal squid –  4.10-1ubuntu1.7
18.04 bionic squid –  3.5.27-1ubuntu1.14

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References

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