- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201710-28 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Jython: Arbitrary code execution Date: October 29, 2017 Bugs: #621876 ID: 201710-28 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability in Jython may lead to arbitrary code execution. Background ========== An implementation of Python written in Java. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-java/jython < 2.7.0-r2 >= 2.7.0-r2 Description =========== It was found that Jython is vulnerable to arbitrary code execution by sending a serialized function to the deserializer. Impact ====== Remote execution of arbitrary code by enticing a user to execute malicious code. Workaround ========== There is no known workaround at this time. Resolution ========== All Jython users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-java/jython-2.7.0-r2" References ========== [ 1 ] CVE-2016-4000 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4000 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201710-28 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