- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201706-19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: GNU C Library: Multiple vulnerabilities Date: June 20, 2017 Bugs: #608698, #608706, #622220 ID: 201706-19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in the GNU C Library, the worst of which may allow execution of arbitrary code. Background ========== The GNU C library is the standard C library used by Gentoo Linux systems. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-libs/glibc < 2.23-r4 >= 2.23-r4 Description =========== Multiple vulnerabilities have been discovered in the GNU C Library. Please review the CVE identifiers and Qualys' security advisory referenced below for details. Impact ====== An attacker could possibly execute arbitrary code with the privileges of the process, escalate privileges or cause a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All GNU C Library users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.23-r4" References ========== [ 1 ] CVE-2015-5180 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5180 [ 2 ] CVE-2016-6323 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6323 [ 3 ] CVE-2017-1000366 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-1000366 [ 4 ] Qualys Security Advisory - The Stack Clash https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201706-19 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 2017 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. http://creativecommons.org/licenses/by-sa/2.5 --cxbO5eT2swQBqr8k9tc6wcfapgLAJb4xR--