Ubuntu alert USN-4895-1 (squid, squid3)
| From: | Marc Deslauriers <marc.deslauriers@canonical.com> | |
| To: | "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> | |
| Subject: | [USN-4895-1] Squid vulnerabilities | |
| Date: | Mon, 29 Mar 2021 10:31:51 -0400 | |
| Message-ID: | <5102eeea-882d-dd9c-9962-bebd5c717089@canonical.com> |
========================================================================== Ubuntu Security Notice USN-4895-1 March 29, 2021 squid, squid3 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Several security issues were fixed in Squid. Software Description: - squid: Web proxy cache server - squid3: Web proxy cache server Details: 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. (CVE-2020-25097) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: squid 4.13-1ubuntu2.1 Ubuntu 20.04 LTS: squid 4.10-1ubuntu1.3 Ubuntu 18.04 LTS: squid 3.5.27-1ubuntu1.10 Ubuntu 16.04 LTS: squid 3.5.12-1ubuntu7.16 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4895-1 CVE-2020-15049, CVE-2020-25097 Package Information: https://launchpad.net/ubuntu/+source/squid/4.13-1ubuntu2.1 https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.3 https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubunt... https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubunt... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...