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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.0383 Important: rhev-hypervisor6 security and bug fix update 14 March 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: rhev-hypervisor6 Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 6 Impact/Access: Root Compromise -- Remote/Unauthenticated Access Privileged Data -- Remote with User Interaction Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-1619 CVE-2013-0871 CVE-2013-0338 CVE-2013-0292 CVE-2013-0268 CVE-2013-0228 CVE-2013-0169 CVE-2013-0166 CVE-2012-6075 CVE-2012-4929 Reference: ASB-2013.0025 ASB-2013.0016 ESB-2013.0378 ESB-2013.0376 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2013-0636.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: rhev-hypervisor6 security and bug fix update Advisory ID: RHSA-2013:0636-01 Product: Red Hat Enterprise Virtualization Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0636.html Issue date: 2013-03-13 CVE Names: CVE-2012-4929 CVE-2012-6075 CVE-2013-0166 CVE-2013-0169 CVE-2013-1619 ===================================================================== 1. Summary: An updated rhev-hypervisor6 package that fixes several security issues and various bugs is now available. 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: RHEV Hypervisor for RHEL-6 - noarch 3. Description: The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent. Note: Red Hat Enterprise Virtualization Hypervisor is only available for the Intel 64 and AMD64 architectures with virtualization extensions. A flaw was found in the way QEMU-KVM emulated the e1000 network interface card when the host was configured to accept jumbo network frames, and a guest using the e1000 emulated driver was not. A remote attacker could use this flaw to crash the guest or, potentially, execute arbitrary code with root privileges in the guest. (CVE-2012-6075) It was discovered that GnuTLS leaked timing information when decrypting TLS/SSL protocol encrypted records when CBC-mode cipher suites were used. A remote attacker could possibly use this flaw to retrieve plain text from the encrypted packets by using a TLS/SSL server as a padding oracle. (CVE-2013-1619) It was discovered that OpenSSL leaked timing information when decrypting TLS/SSL and DTLS protocol encrypted records when CBC-mode cipher suites were used. A remote attacker could possibly use this flaw to retrieve plain text from the encrypted packets by using a TLS/SSL or DTLS server as a padding oracle. (CVE-2013-0169) A NULL pointer dereference flaw was found in the OCSP response verification in OpenSSL. A malicious OCSP server could use this flaw to crash applications performing OCSP verification by sending a specially-crafted response. (CVE-2013-0166) It was discovered that the TLS/SSL protocol could leak information about plain text when optional compression was used. An attacker able to control part of the plain text sent over an encrypted TLS/SSL connection could possibly use this flaw to recover other portions of the plain text. (CVE-2012-4929) This updated package provides updated components that include fixes for various security issues. These issues have no security impact on Red Hat Enterprise Virtualization Hypervisor itself, however. The security fixes included in this update address the following CVE numbers: CVE-2013-0292 (dbus-glib issue) CVE-2013-0228, CVE-2013-0268, and CVE-2013-0871 (kernel issues) CVE-2013-0338 (libxml2 issue) This update contains the builds from the following errata: ovirt-node: RHBA-2013:0634 https://rhn.redhat.com/errata/RHBA-2013-0634.html kernel: RHSA-2013:0630 https://rhn.redhat.com/errata/RHSA-2013-0630.html dbus-glib: RHSA-2013:0568 https://rhn.redhat.com/errata/RHSA-2013-0568.html libcgroup: RHBA-2013:0560 https://rhn.redhat.com/errata/RHBA-2013-0560.html vdsm: RHBA-2013:0635 https://rhn.redhat.com/errata/RHBA-2013-0635.html selinux-policy: RHBA-2013:0618 https://rhn.redhat.com/errata/RHBA-2013-0618.html qemu-kvm-rhev: RHSA-2013:0610 https://rhn.redhat.com/errata/RHSA-2013-0610.html glusterfs: RHBA-2013:0620 https://rhn.redhat.com/errata/RHBA-2013-0620.html gnutls: RHSA-2013:0588 https://rhn.redhat.com/errata/RHSA-2013-0588.html ipmitool: RHBA-2013:0572 https://rhn.redhat.com/errata/RHBA-2013-0572.html libxml2: RHSA-2013:0581 https://rhn.redhat.com/errata/RHSA-2013-0581.html openldap: RHBA-2013:0598 https://rhn.redhat.com/errata/RHBA-2013-0598.html openssl: RHSA-2013:0587 https://rhn.redhat.com/errata/RHSA-2013-0587.html Users of the Red Hat Enterprise Virtualization Hypervisor are advised to upgrade to this updated package, which fixes 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 https://access.redhat.com/knowledge/articles/11258 To upgrade Hypervisors in Red Hat Enterprise Virtualization environments using the disk image provided by this package, refer to: https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/h tml/Hypervisor_Deployment_Guide/chap-Deployment_Guide-Upgrading_Red_Hat_Ent erprise_Virtualization_Hypervisors.html 5. Bugs fixed (http://bugzilla.redhat.com/): 857051 - CVE-2012-4929 SSL/TLS CRIME attack against HTTPS 889301 - CVE-2012-6075 qemu: e1000 driver buffer overflow when processing large packets when SBP and LPE flags are disabled 907589 - CVE-2013-0169 SSL/TLS: CBC padding timing attack (lucky-13) 908052 - CVE-2013-0166 openssl: DoS due to improper handling of OCSP response verification 908238 - CVE-2013-1619 gnutls: TLS CBC padding timing attack (lucky-13) 913267 - rhev-hypervisor 6.4 Update 1 release 6. Package List: RHEV Hypervisor for RHEL-6: noarch: rhev-hypervisor6-6.4-20130306.2.el6_4.noarch.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://access.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2012-4929.html https://www.redhat.com/security/data/cve/CVE-2012-6075.html https://www.redhat.com/security/data/cve/CVE-2013-0166.html https://www.redhat.com/security/data/cve/CVE-2013-0169.html https://www.redhat.com/security/data/cve/CVE-2013-1619.html https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Hypervisor_Deployment_Guide/chap-Deployment_Guide-Upgrading_Red_Hat_Enterprise_Virtualization_Hypervisors.html 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2013 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFRQJaGXlSAg2UNWIIRAs/QAJ46+FxX3/6QgkWAEmiKDAH5qlIx5ACgmDEf +dN+bEcNKKe9RejvLJTVM1k= =1qqp - -----END PGP SIGNATURE----- - --------------------------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. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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