Ubuntu alert USN-4967-1 (nginx)
| From: | Marc Deslauriers <marc.deslauriers@canonical.com> | |
| To: | "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> | |
| Subject: | [USN-4967-1] nginx vulnerability | |
| Date: | Wed, 26 May 2021 11:22:52 -0400 | |
| Message-ID: | <3fcc1857-ac5f-9c57-7490-0b0a8131dfb4@canonical.com> |
========================================================================== Ubuntu Security Notice USN-4967-1 May 26, 2021 nginx vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.04 - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: nginx could be made to crash or run programs if it received specially crafted network traffic. Software Description: - nginx: small, powerful, scalable web/proxy server Details: Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx incorrectly handled responses to the DNS resolver. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: nginx 1.18.0-6ubuntu8.2 nginx-common 1.18.0-6ubuntu8.2 nginx-core 1.18.0-6ubuntu8.2 nginx-extras 1.18.0-6ubuntu8.2 nginx-full 1.18.0-6ubuntu8.2 nginx-light 1.18.0-6ubuntu8.2 Ubuntu 20.10: nginx 1.18.0-6ubuntu2.2 nginx-common 1.18.0-6ubuntu2.2 nginx-core 1.18.0-6ubuntu2.2 nginx-extras 1.18.0-6ubuntu2.2 nginx-full 1.18.0-6ubuntu2.2 nginx-light 1.18.0-6ubuntu2.2 Ubuntu 20.04 LTS: nginx 1.18.0-0ubuntu1.2 nginx-common 1.18.0-0ubuntu1.2 nginx-core 1.18.0-0ubuntu1.2 nginx-extras 1.18.0-0ubuntu1.2 nginx-full 1.18.0-0ubuntu1.2 nginx-light 1.18.0-0ubuntu1.2 Ubuntu 18.04 LTS: nginx 1.14.0-0ubuntu1.9 nginx-common 1.14.0-0ubuntu1.9 nginx-core 1.14.0-0ubuntu1.9 nginx-extras 1.14.0-0ubuntu1.9 nginx-full 1.14.0-0ubuntu1.9 nginx-light 1.14.0-0ubuntu1.9 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4967-1 CVE-2021-23017 Package Information: https://launchpad.net/ubuntu/+source/nginx/1.18.0-6ubuntu8.2 https://launchpad.net/ubuntu/+source/nginx/1.18.0-6ubuntu2.2 https://launchpad.net/ubuntu/+source/nginx/1.18.0-0ubuntu1.2 https://launchpad.net/ubuntu/+source/nginx/1.14.0-0ubuntu1.9 -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...