- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201701-27 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: 7-Zip: Multiple vulnerabilities Date: January 11, 2017 Bugs: #582832 ID: 201701-27 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in 7-Zip, the worst of which may allow execution of arbitrary code. Background ========== 7-Zip is an open-source file archiver, an application used primarily to compress files. 7-Zip uses its own 7z archive format, but can read and write several other archive formats. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/p7zip < 16.02-r1 >= 16.02-r1 Description =========== Multiple vulnerabilities have been discovered in 7-Zip. Please review the CVE identifiers referenced below for details. Impact ====== A remote attacker could entice a user to open a specially crafted archive file possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All 7-Zip users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/p7zip-16.02-r1" References ========== [ 1 ] CVE-2016-2334 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2334 [ 2 ] CVE-2016-2335 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2335 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-27 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 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