- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202003-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Ruby: Multiple vulnerabilities Date: March 13, 2020 Bugs: #696004 ID: 202003-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in Ruby, the worst of which could lead to the remote execution of arbitrary code. Background ========== Ruby is an interpreted object-oriented programming language. The elaborate standard library includes an HTTP server ("WEBRick") and a class for XML parsing ("REXML"). Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-lang/ruby < 2.4.9:2.4 >= 2.4.9:2.4 < 2.5.7:2.5 >= 2.5.7:2.5 Description =========== Multiple vulnerabilities have been discovered in Ruby. Please review the CVE identifiers referenced below for details. Impact ====== A remote attacker could execute arbitrary code, have unauthorized access by bypassing intended path matching or cause a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All Ruby 2.4.x users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.4.9:2.4" All Ruby 2.5.x users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.5.7:2.5" References ========== [ 1 ] CVE-2019-15845 https://nvd.nist.gov/vuln/detail/CVE-2019-15845 [ 2 ] CVE-2019-16201 https://nvd.nist.gov/vuln/detail/CVE-2019-16201 [ 3 ] CVE-2019-16254 https://nvd.nist.gov/vuln/detail/CVE-2019-16254 [ 4 ] CVE-2019-16255 https://nvd.nist.gov/vuln/detail/CVE-2019-16255 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202003-06 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