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Ubuntu 22.04 LTS: USN-5641-1 Critical Issues in Squid Authentication

ubuntu
Calendar Grey September 26, 2022
Dist Ubuntu Esm H88
Remediations for Squid security flaws in Ubuntu versions 22.04, 20.04, and 18.04 tackling severe concerns.
Several security issues were fixed in Squid.

Summary

Several security issues were fixed in Squid.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu authentication issue squid

Update Instructions

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

Ubuntu 22.04 LTS:
  squid                           5.2-1ubuntu4.2

Ubuntu 20.04 LTS:
  squid                           4.10-1ubuntu1.7

Ubuntu 18.04 LTS:
  squid                           3.5.27-1ubuntu1.14

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

References

https://ubuntu.com/security/notices/USN-5641-1

CVE-2022-41317, CVE-2022-41318

Severity
critical
Lowest
Low
Medium
High
Critical

September 26, 2022

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu authentication issue squid

Package Information

https://launchpad.net/ubuntu/+source/squid/5.2-1ubuntu4.2
https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.7
https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.14

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