USN-4895-1: Squid vulnerabilities
29 March 2021
Several security issues were fixed in Squid.
Alex Rousskov and Amit Klein discovered that Squid incorrectly handled
certain Content-Length headers. A remote attacker could possibly use this
issue to perform an HTTP request smuggling attack, resulting in cache
poisoning. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-15049)
Jianjun Chen discovered that Squid incorrectly validated certain input. A
remote attacker could use this issue to perform HTTP Request Smuggling and
possibly access services forbidden by the security controls.
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.
- USN-4551-1: squid3, squid