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Ubuntu Security Notice USN-5641-1

Ubuntu Security Notice USN-5641-1
Posted Sep 27, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5641-1 - 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. 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.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2022-41317, CVE-2022-41318
SHA-256 | e3be1c2d3e1c33766fc12005e97a52783721d5bebbcafa1253447b986f555895

Ubuntu Security Notice USN-5641-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5641-1
September 26, 2022

squid, squid3 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

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)

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

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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