17 November 2014
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.2151 USN-2404-1: libvirt vulnerabilities 17 November 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libvirt Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2014-7823 CVE-2014-3657 Reference: ESB-2014.1743 Original Bulletin: http://www.ubuntu.com/usn/USN-2404-1/ Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running libvirt check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-2404-1: libvirt vulnerabilities Ubuntu Security Notice USN-2404-1 11th November, 2014 libvirt vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.10 Ubuntu 14.04 LTS Summary Several security issues were fixed in libvirt. Software description libvirt - Libvirt virtualization toolkit Details Pavel Hrdina discovered that libvirt incorrectly handled locking when processing the virConnectListAllDomains command. An attacker could use this issue to cause libvirtd to hang, resulting in a denial of service. (CVE-2014-3657) Eric Blake discovered that libvirt incorrectly handled permissions when processing the qemuDomainFormatXML command. An attacker with read-only privileges could possibly use this to gain access to certain information from the domain xml file. (CVE-2014-7823) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.10: libvirt0 1.2.8-0ubuntu11.1 libvirt-bin 1.2.8-0ubuntu11.1 Ubuntu 14.04 LTS: libvirt0 1.2.2-0ubuntu13.1.7 libvirt-bin 1.2.2-0ubuntu13.1.7 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to reboot your computer to make all the necessary changes. References CVE-2014-3657, CVE-2014-7823 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. 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