- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201908-15 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: ZNC: Privilege escalation Date: August 15, 2019 Bugs: #688152 ID: 201908-15 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability in ZNC allows users to escalate privileges. Background ========== ZNC is an advanced IRC bouncer. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-irc/znc < 1.7.4_rc1 >= 1.7.4_rc1 Description =========== It was discovered that ZNC's "Modules.cpp" allows remote authenticated non-admin users to escalate privileges. Impact ====== A remote authenticated attacker could escalate privileges and subsequently execute arbitrary code or conduct a Denial of Service attack. 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-1.7.4_rc1" References ========== [ 1 ] CVE-2019-12816 https://nvd.nist.gov/vuln/detail/CVE-2019-12816 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201908-15 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 2019 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. https://creativecommons.org/licenses/by-sa/2.5