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Ubuntu 24.04 LTS USN-6907-1 Critical: Squid Denial Of Service

ubuntu
Calendar Grey July 23, 2024
Dist Ubuntu Esm H88
The Squid security report addresses vulnerabilities that may result in system instability and crashes, impacting a variety of Ubuntu versions.
Squid could be made to crash if it processed specially crafted characters.

Summary

Squid could be made to crash if it processed specially crafted characters.

Software Description:

- squid: Web proxy cache server

- squid3: Web proxy cache server

Details:

Joshua Rogers discovered that Squid did not properly handle multi-byte

characters during Edge Side Includes (ESI) processing. A remote attacker

could possibly use this issue to cause a memory corruption error, leading

to a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical software update memory corruption squid ubuntu

Update Instructions

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

Ubuntu 24.04 LTS
   squid                           6.6-1ubuntu5.1

Ubuntu 22.04 LTS
   squid                           5.9-0ubuntu0.22.04.2

Ubuntu 20.04 LTS
   squid                           4.10-1ubuntu1.13

Ubuntu 18.04 LTS
   squid                           3.5.27-1ubuntu1.14+esm3
                                   Available with Ubuntu Pro
   squid3                          3.5.27-1ubuntu1.14+esm3
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   squid                           3.5.12-1ubuntu7.16+esm4
                                   Available with Ubuntu Pro
   squid3                          3.5.12-1ubuntu7.16+esm4
                                   Available with Ubuntu Pro

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

References

  https://ubuntu.com/security/notices/USN-6907-1

  CVE-2024-37894

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6907-1

Topics%20covered

Topics Covered

security advisory denial of service critical software update memory corruption squid ubuntu

Package Information

  https://launchpad.net/ubuntu/+source/squid/6.6-1ubuntu5.1
  https://launchpad.net/ubuntu/+source/squid/5.9-0ubuntu0.22.04.2
  https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.13

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