- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200903-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: ZNC: Privilege escalation Date: March 06, 2009 Bugs: #260148 ID: 200903-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability in ZNC allows for privilege escalation. Background ========== ZNC is an advanced IRC bouncer. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-irc/znc < 0.066 >= 0.066 Description =========== cnu discovered multiple CRLF injection vulnerabilities in ZNC's webadmin module. Impact ====== A remote authenticated attacker could modify the znc.conf configuration file and gain privileges via newline characters in e.g. the QuitMessage field, and possibly execute arbitrary code. Workaround ========== There is no known workaround at this time. Resolution ========== All ZNC users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-irc/znc-0.066" References ========== [ 1 ] CVE-2009-0759 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0759 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200903-02.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@xxxxxxxxxx or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2009 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
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