- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201904-22 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: OpenDKIM: Root privilege escalation Date: April 22, 2019 Bugs: #629914 ID: 201904-22 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability was discovered in Gentoo's ebuild for OpenDKIM which could lead to root privilege escalation. Background ========== A community effort to develop and maintain a C library for producing DKIM-aware applications and an open source milter for providing DKIM service. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 mail-filter/opendkim < 2.10.3-r8 >= 2.10.3-r8 Description =========== It was discovered that Gentoo’s OpenDKIM ebuild does not properly set permissions or place the pid file in a safe directory. Impact ====== A local attacker could escalate privileges. Workaround ========== Users should ensure the proper permissions are set as discussed in the referenced bugs. Resolution ========== All OpenDKIM users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=mail-filter/opendkim-2.10.3-r8" References ========== Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201904-22 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