Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0597 Moderate: qemu-kvm-rhev security update 28 April 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: qemu-kvm-rhev Publisher: Red Hat Operating System: Red Hat Linux variants Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2014-0150 CVE-2014-0148 CVE-2014-0147 CVE-2014-0146 CVE-2014-0145 CVE-2014-0144 CVE-2014-0143 CVE-2014-0142 Reference: ESB-2014.0555 ESB-2014.0544 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2014-0434.html https://rhn.redhat.com/errata/RHSA-2014-0435.html Comment: This advisory references vulnerabilities in products which run on platforms other than Red Hat. It is recommended that administrators running qemu-kvm-rhev check for an updated version of the software for their operating system. This bulletin contains two (2) Red Hat security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: qemu-kvm-rhev security update Advisory ID: RHSA-2014:0434-01 Product: Red Hat Enterprise Linux OpenStack Platform Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0434.html Issue date: 2014-04-24 CVE Names: CVE-2014-0142 CVE-2014-0143 CVE-2014-0144 CVE-2014-0145 CVE-2014-0146 CVE-2014-0147 CVE-2014-0148 CVE-2014-0150 ===================================================================== 1. Summary: Updated qemu-kvm-rhev packages that fix several security issues are now available for Red Hat Enterprise Linux OpenStack Platform 4.0. The Red Hat Security Response Team has rated this update as having Moderate 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: Red Hat Enterprise Linux OpenStack Platform 4.0 - x86_64 3. Description: KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the user-space component for running virtual machines using KVM in environments managed by Red Hat Enterprise Linux OpenStack Platform. Multiple integer overflow, input validation, logic error, and buffer overflow flaws were discovered in various QEMU block drivers. An attacker able to modify a disk image file loaded by a guest could use these flaws to crash the guest, or corrupt QEMU process memory on the host, potentially resulting in arbitrary code execution on the host with the privileges of the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145, CVE-2014-0147) A buffer overflow flaw was found in the way the virtio_net_handle_mac() function of QEMU processed guest requests to update the table of MAC addresses. A privileged guest user could use this flaw to corrupt QEMU process memory on the host, potentially resulting in arbitrary code execution on the host with the privileges of the QEMU process. (CVE-2014-0150) A divide-by-zero flaw was found in the seek_to_sector() function of the parallels block driver in QEMU. An attacker able to modify a disk image file loaded by a guest could use this flaw to crash the guest. (CVE-2014-0142) A NULL pointer dereference flaw was found in the QCOW2 block driver in QEMU. An attacker able to modify a disk image file loaded by a guest could use this flaw to crash the guest. (CVE-2014-0146) It was found that the block driver for Hyper-V VHDX images did not correctly calculate BAT (Block Allocation Table) entries due to a missing bounds check. An attacker able to modify a disk image file loaded by a guest could use this flaw to crash the guest. (CVE-2014-0148) The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142, CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of Red Hat. All users of qemu-kvm-rhev are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect. 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/site/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1078201 - CVE-2014-0142 qemu: crash by possible division by zero 1078212 - CVE-2014-0148 Qemu: vhdx: bounds checking for block_size and logical_sector_size 1078232 - CVE-2014-0146 Qemu: qcow2: NULL dereference in qcow2_open() error path 1078846 - CVE-2014-0150 qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function 1078848 - CVE-2014-0147 Qemu: block: possible crash due signed types or logic error 1078885 - CVE-2014-0145 Qemu: prevent possible buffer overflows 1079140 - CVE-2014-0143 Qemu: block: multiple integer overflow flaws 1079240 - CVE-2014-0144 Qemu: block: missing input validation 6. Package List: Red Hat Enterprise Linux OpenStack Platform 4.0: Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHOS/SRPMS/qemu-kvm-rhev-0.12.1.2-2.415.el6_5.8.src.rpm x86_64: qemu-img-rhev-0.12.1.2-2.415.el6_5.8.x86_64.rpm qemu-kvm-rhev-0.12.1.2-2.415.el6_5.8.x86_64.rpm qemu-kvm-rhev-debuginfo-0.12.1.2-2.415.el6_5.8.x86_64.rpm qemu-kvm-rhev-tools-0.12.1.2-2.415.el6_5.8.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://access.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2014-0142.html https://www.redhat.com/security/data/cve/CVE-2014-0143.html https://www.redhat.com/security/data/cve/CVE-2014-0144.html https://www.redhat.com/security/data/cve/CVE-2014-0145.html https://www.redhat.com/security/data/cve/CVE-2014-0146.html https://www.redhat.com/security/data/cve/CVE-2014-0147.html https://www.redhat.com/security/data/cve/CVE-2014-0148.html https://www.redhat.com/security/data/cve/CVE-2014-0150.html https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2014 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFTWU6HXlSAg2UNWIIRAqHzAJ0bufWTfyKJeCphJrHMzSTPadPiVgCeLfDO tyXTTZ9+aYUYDpI+45LduoI= =sGti - -----END PGP SIGNATURE----- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: qemu-kvm-rhev security update Advisory ID: RHSA-2014:0435-01 Product: Red Hat Enterprise Linux OpenStack Platform Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0435.html Issue date: 2014-04-24 CVE Names: CVE-2014-0142 CVE-2014-0143 CVE-2014-0144 CVE-2014-0145 CVE-2014-0146 CVE-2014-0147 CVE-2014-0148 CVE-2014-0150 ===================================================================== 1. Summary: Updated qemu-kvm-rhev packages that fix several security issues are now available for Red Hat Enterprise Linux OpenStack Platform 3.0. The Red Hat Security Response Team has rated this update as having Moderate 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: Red Hat Enterprise Linux OpenStack Platform 3.0 - x86_64 3. Description: KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the user-space component for running virtual machines using KVM in environments managed by Red Hat Enterprise Linux OpenStack Platform. Multiple integer overflow, input validation, logic error, and buffer overflow flaws were discovered in various QEMU block drivers. An attacker able to modify a disk image file loaded by a guest could use these flaws to crash the guest, or corrupt QEMU process memory on the host, potentially resulting in arbitrary code execution on the host with the privileges of the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145, CVE-2014-0147) A buffer overflow flaw was found in the way the virtio_net_handle_mac() function of QEMU processed guest requests to update the table of MAC addresses. A privileged guest user could use this flaw to corrupt QEMU process memory on the host, potentially resulting in arbitrary code execution on the host with the privileges of the QEMU process. (CVE-2014-0150) A divide-by-zero flaw was found in the seek_to_sector() function of the parallels block driver in QEMU. An attacker able to modify a disk image file loaded by a guest could use this flaw to crash the guest. (CVE-2014-0142) A NULL pointer dereference flaw was found in the QCOW2 block driver in QEMU. An attacker able to modify a disk image file loaded by a guest could use this flaw to crash the guest. (CVE-2014-0146) It was found that the block driver for Hyper-V VHDX images did not correctly calculate BAT (Block Allocation Table) entries due to a missing bounds check. An attacker able to modify a disk image file loaded by a guest could use this flaw to crash the guest. (CVE-2014-0148) The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142, CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of Red Hat. All users of qemu-kvm-rhev are advised to upgrade to these updated packages, which contain backported patches to correct these issues. After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect. 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/site/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1078201 - CVE-2014-0142 qemu: crash by possible division by zero 1078212 - CVE-2014-0148 Qemu: vhdx: bounds checking for block_size and logical_sector_size 1078232 - CVE-2014-0146 Qemu: qcow2: NULL dereference in qcow2_open() error path 1078846 - CVE-2014-0150 qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function 1078848 - CVE-2014-0147 Qemu: block: possible crash due signed types or logic error 1078885 - CVE-2014-0145 Qemu: prevent possible buffer overflows 1079140 - CVE-2014-0143 Qemu: block: multiple integer overflow flaws 1079240 - CVE-2014-0144 Qemu: block: missing input validation 6. Package List: Red Hat Enterprise Linux OpenStack Platform 3.0: Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHOS/SRPMS/qemu-kvm-rhev-0.12.1.2-2.415.el6_5.8.src.rpm x86_64: qemu-img-rhev-0.12.1.2-2.415.el6_5.8.x86_64.rpm qemu-kvm-rhev-0.12.1.2-2.415.el6_5.8.x86_64.rpm qemu-kvm-rhev-debuginfo-0.12.1.2-2.415.el6_5.8.x86_64.rpm qemu-kvm-rhev-tools-0.12.1.2-2.415.el6_5.8.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://access.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2014-0142.html https://www.redhat.com/security/data/cve/CVE-2014-0143.html https://www.redhat.com/security/data/cve/CVE-2014-0144.html https://www.redhat.com/security/data/cve/CVE-2014-0145.html https://www.redhat.com/security/data/cve/CVE-2014-0146.html https://www.redhat.com/security/data/cve/CVE-2014-0147.html https://www.redhat.com/security/data/cve/CVE-2014-0148.html https://www.redhat.com/security/data/cve/CVE-2014-0150.html https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2014 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFTWU63XlSAg2UNWIIRAk6mAJ4jg05dHWBCFrMXrNFywhXu1BGrYwCgjRkj 9mFTXd4+4SqsgP05eiox7as= =1h5j - -----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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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 iQIVAwUBU12VaBLndAQH1ShLAQL97g//S+IhOVVwAv8wBbay9WC+HJrrSuCGOZqY +xIhZmDJztRnfWoaKFfU9swvZFm+7tjxYY6S4rEPCVMC1T6RvNvba0chiYzjFBr4 c0v2K1GGNjo/K1xBlmKxbXji/o/ajxujxDC8ob0ANhUeTSeGtZtTtceRodHVhVuf +Jo3OKzySkcakJuoz8jRPpyyAtfr9gZ9UmrZfOlGCPIXNwel/xwkPGobFHuUkPfS 6MUJTfSZkTxx1UqejOiQ8z9P489KxGcP2E8+V6hVpxQTJGj3R6vLbnYnAcCueQcd 8Q9826WySDCRbyUexGiixY8m1YcFArzL6O81qfWb8vocR05GSk0+DCuFq8+vvEBO CyNFKva9TyyBNTtmsRCO8VkgLRnVpDzxPgiEsiAxVc+92OvGCElotc45DjIC/Ssf bmDL3bLMlXd2xdahh3CgIqJ/PJh928ci1xzIZal/8bFLM+ogM3R49XbPMNFNoiOh NBvhsGfxPqKT7NVck9IZuJK2S5X8cTH53dKQ+XKBGL0Ak7siLHW6+Ncid5X0k3yX 9PqG/mUjEdHQaLedw/PzRITFMeBcBVp0mOzMZHmLUPN2utC5sl5j7GSrAkQEUwHF 7VDtTTP9vY4STgSQDevXXkXJLSfNbQ8PNms7/I7J9TN52QhN7CN4eHaSo3tl6DiG Z6uHWTQbH1Q= =gF0w -----END PGP SIGNATURE-----