Ubuntu 18.04 LTS USN-6500-2 critical: DoS threats in Squid
ubuntu
December 11, 2023
Several security issues were fixed in Squid.
Summary
Several security issues were fixed in Squid.
Software Description:
- squid3: Web proxy cache server
Details:
USN-6500-1 fixed several vulnerabilities in Squid. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory details:
Joshua Rogers discovered that Squid incorrectly handled the Gopher
protocol. A remote attacker could possibly use this issue to cause Squid to
crash, resulting in a denial of service. Gopher support has been disabled
in this update. (CVE-2023-46728)
Joshua Rogers discovered that Squid incorrectly handled HTTP Digest
Authentication. A remote attacker could possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2023-46847)
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS (Available with Ubuntu Pro): squid 3.5.27-1ubuntu1.14+esm1 squid3 3.5.27-1ubuntu1.14+esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): squid 3.5.12-1ubuntu7.16+esm2 squid3 3.5.12-1ubuntu7.16+esm2 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6500-2
https://ubuntu.com/security/notices/USN-6500-1
CVE-2023-46728, CVE-2023-46847
PREVIOUS
NEXT
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!