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Gentoo: GLSA 202304-12 Critical: Nbd Vulnerability Exploitation Alerts

Multiple vulnerabilities were found in nbd, which could lead to remote execution of arbitrary code.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201206-35 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: nbd: Multiple vulnerabilities Date: June 25, 2012 Bugs: #353097, #372891 ID: 201206-35 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= Multiple vulnerabilities were found in nbd, which could lead to remote execution of arbitrary code. Background ========= nbd is a userland client/server for kernel network block device. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-block/nbd < 2.9.22 > = 2.9.22 Description ========== Multiple vulnerabilities have been discovered in nbd. Please review the CVE identifiers referenced below for details. Impact ===== nbd allows remote attackers to cause a denial of service (NULL pointer dereference and crash) or the execution of arbitrary code. Workaround ========= There is no known workaround at this time. Resolution ========= All nbd users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =sys-block/nbd-2.9.22" References ========= [ 1 ] CVE-2011-0530 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0530 [ 2 ] CVE-2011-1925 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1925 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201206-35 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 This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org. License ====== Copyright 2012 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/ . The urgent GLSA 202307-20 notice regarding Gentoo's nbd highlights numerous security flaws that could lead to potential unauthorized code execution from a distance.. Gentoo Security,nbd risks,code execution. . Severity: Critical. LinuxSecurity.com Team

Jun 25, 2012 •Critical Gentoo