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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2010.0749 Important: qspice security update 20 August 2010 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: qspice Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 5 Red Hat Enterprise Virtualization Impact/Access: Denial of Service -- Existing Account Increased Privileges -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2010-0429 CVE-2010-0428 Reference: ESB-2010.0746 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2010-0633.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: qspice security update Advisory ID: RHSA-2010:0633-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0633.html Issue date: 2010-08-19 CVE Names: CVE-2010-0428 CVE-2010-0429 ===================================================================== 1. Summary: Updated qspice packages that fix two security issues are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. 2. Relevant releases/architectures: RHEL Desktop Multi OS (v. 5 client) - x86_64 RHEL Virtualization (v. 5 server) - x86_64 3. Description: The Simple Protocol for Independent Computing Environments (SPICE) is a remote display protocol used in Red Hat Enterprise Linux for viewing virtualized guests running on the Kernel-based Virtual Machine (KVM) hypervisor, or on Red Hat Enterprise Virtualization Hypervisor. It was found that the libspice component of QEMU-KVM on the host did not validate all pointers provided from a guest system's QXL graphics card driver. A privileged guest user could use this flaw to cause the host to dereference an invalid pointer, causing the guest to crash (denial of service) or, possibly, resulting in the privileged guest user escalating their privileges on the host. (CVE-2010-0428) It was found that the libspice component of QEMU-KVM on the host could be forced to perform certain memory management operations on memory addresses controlled by a guest. A privileged guest user could use this flaw to crash the guest (denial of service) or, possibly, escalate their privileges on the host. (CVE-2010-0429) All qspice users should upgrade to these updated packages, which contain backported patches to correct these issues. 4. Solution: Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259 5. Bugs fixed (http://bugzilla.redhat.com/): 568699 - CVE-2010-0428 libspice: Insufficient guest provided pointers validation 568701 - CVE-2010-0429 libspice: Relying on guest provided data structures to indicate memory allocation 6. Package List: RHEL Desktop Multi OS (v. 5 client): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/qspice-0.3.0-54.el5_5.2.src.rpm x86_64: qspice-0.3.0-54.el5_5.2.x86_64.rpm qspice-debuginfo-0.3.0-54.el5_5.2.x86_64.rpm qspice-libs-0.3.0-54.el5_5.2.x86_64.rpm qspice-libs-devel-0.3.0-54.el5_5.2.x86_64.rpm RHEL Virtualization (v. 5 server): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/qspice-0.3.0-54.el5_5.2.src.rpm x86_64: qspice-0.3.0-54.el5_5.2.x86_64.rpm qspice-debuginfo-0.3.0-54.el5_5.2.x86_64.rpm qspice-libs-0.3.0-54.el5_5.2.x86_64.rpm qspice-libs-devel-0.3.0-54.el5_5.2.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://www.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2010-0428.html https://www.redhat.com/security/data/cve/CVE-2010-0429.html http://www.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/security/team/contact/ Copyright 2010 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFMbavKXlSAg2UNWIIRAn41AKCGLir3Qo2+bn0Q2QmxCP90Cosn8ACgvnUk ZMHG9QH1BCCev0Xy3clQC5E= =3YaG - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFMbgUH/iFOrG6YcBERAiIzAKCUugoSVY8vTCOUrJKGVrGXCGD2bwCfVlGY 2zIgREsELi+NEtDFg0QzYz0= =zsMK -----END PGP SIGNATURE-----