- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201310-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Low Title: isync: Man-in-the-Middle attack Date: October 05, 2013 Bugs: #458420 ID: 201310-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability in isync could allow remote attackers to perform man-in-the-middle attacks. Background ========== isync is an IMAP and MailDir mailbox synchronizer. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-mail/isync < 1.0.6 >= 1.0.6 Description =========== isync does not properly verify the server's hostname against the CN field in the SSL certificate. Impact ====== A remote server could perform man-in-the-middle attacks to disclose passwords or obtain other sensitive information. Workaround ========== There is no known workaround at this time. Resolution ========== All isync users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-mail/isync-1.0.6" References ========== [ 1 ] CVE-2013-0289 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0289 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201310-02.xml 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 2013 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