- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201611-17 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: RPCBind: Denial of Service Date: November 22, 2016 Bugs: #560990 ID: 201611-17 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A buffer overflow in RPCBind might allow remote attackers to cause a Denial of Service. Background ========== The RPCBind utility is a server that converts RPC program numbers into universal addresses. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-nds/rpcbind < 0.2.3-r1 >= 0.2.3-r1 Description =========== A use-after-free vulnerability was discovered in RPCBind's svc_dodestroy function when trying to free a corrupted xprt->xp_netid pointer. Impact ====== A remote attacker could possibly cause a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All RPCBind users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-nds/rpcbind-0.2.3-r1" References ========== [ 1 ] CVE-2015-7236 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7236 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201611-17 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 2016 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