- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202007-46 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: D-Bus: Denial of service Date: July 27, 2020 Bugs: #727104 ID: 202007-46 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= A local Denial of Service vulnerability was discovered in D-Bus. Background ========= D-Bus is a message bus system which processes can use to talk to each other. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-apps/dbus < 1.12.18 >= 1.12.18 Description ========== D-Bus does not correctly dispose of old connections meaning that it is possible for D-Bus to hit a connection limit. Impact ===== An attacker could cause a possible Denial of Service condition. Workaround ========= There is no known workaround at this time. Resolution ========= All D-Bus users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/dbus-1.12.18" References ========= [ 1 ] CVE-2020-12049 https://nvd.nist.gov/vuln/detail/CVE-2020-12049 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202007-46 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 2020 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