- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202007-27 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Haml: Arbitrary code execution Date: July 27, 2020 Bugs: #699840 ID: 202007-27 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= A flaw in Haml allows arbitrary code execution as a result of improper filtering. Background ========= Haml is a templating engine for HTML. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-ruby/haml < 5.1.2 >= 5.1.2 Description ========== It was discovered that Haml was not correctly filtering out special characters which may be used for attributes. Impact ===== A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition. Workaround ========= There is no known workaround at this time. Resolution ========= All Haml users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">Þv-ruby/haml-5.1.2" References ========= [ 1 ] CVE-2017-1002201 https://nvd.nist.gov/vuln/detail/CVE-2017-1002201 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202007-27 Concerns? ======== Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ====== Copyright 2020 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5