USN-5641-1: Squid vulnerabilities

Releases

• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

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)

Update instructions

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

Ubuntu 22.04

• squid - 5.2-1ubuntu4.2

Ubuntu 20.04

• squid - 4.10-1ubuntu1.7

Ubuntu 18.04

• squid - 3.5.27-1ubuntu1.14

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

References

• CVE-2022-41317
• CVE-2022-41318

Related notices

• USN-6857-1: squid, squid-purge, squidclient, squid3, squid-cgi, squid-common