Sigurnosni nedostaci programskog paketa qemu-kvm-rhev

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Red Hat Security Advisory

Synopsis: Moderate: qemu-kvm-rhev security update
Advisory ID: RHSA-2014:1268-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1268.html
Issue date: 2014-09-22
CVE Names: CVE-2013-4148 CVE-2013-4149 CVE-2013-4150
CVE-2013-4151 CVE-2013-4527 CVE-2013-4529
CVE-2013-4535 CVE-2013-4536 CVE-2013-4541
CVE-2013-4542 CVE-2013-6399 CVE-2014-0182
CVE-2014-0222 CVE-2014-0223 CVE-2014-3461
=====================================================================

1. Summary:

Updated qemu-kvm-rhev packages that fix multiple security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat
Enterprise Linux 7.

Red Hat Product Security 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 5.0 for RHEL 7 – 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.

Two integer overflow flaws were found in the QEMU block driver for QCOW
version 1 disk images. A user able to supply a malicious image file to QEMU
or to helper tools used in image conversion by services such as glance and
nova could potentially use these flaws to cause memory corruption,
resulting in a crash or possibly arbitrary code execution. (CVE-2014-0222,
CVE-2014-0223)

Multiple buffer overflow, input validation, and out-of-bounds write flaws
were found in the way virtio, virtio-net, virtio-scsi, usb, and hpet
drivers of QEMU handled state loading after migration. A user able to alter
the savevm data (either on the disk or over the wire during migration)
could use either of these flaws to corrupt QEMU process memory on the
(destination) host, which could potentially result in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2013-4148, CVE-2013-4149, CVE-2013-4150, CVE-2013-4151, CVE-2013-4527,
CVE-2013-4529, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541, CVE-2013-4542,
CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)

Red Hat would like to thank NSA for reporting CVE-2014-0222 and
CVE-2014-0223. The following issues were discovered by Michael S. Tsirkin,
Anthony Liguori, and Michael Roth of Red Hat: CVE-2013-4148, CVE-2013-4149,
CVE-2013-4150, CVE-2013-4151, CVE-2013-4527, CVE-2013-4529, CVE-2013-4535,
CVE-2013-4536, CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182,
and CVE-2014-3461.

All qemu-kvm-rhev users 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/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1066334 – CVE-2013-4148 qemu: virtio-net: buffer overflow on invalid state load
1066337 – CVE-2013-4149 qemu: virtio-net: out-of-bounds buffer write on load
1066340 – CVE-2013-4150 qemu: virtio-net: out-of-bounds buffer write on invalid state load
1066342 – CVE-2013-4151 qemu: virtio: out-of-bounds buffer write on invalid state load
1066347 – CVE-2013-4527 qemu: hpet: buffer overrun on invalid state load
1066353 – CVE-2013-4529 qemu: hw/pci/pcie_aer.c: buffer overrun on invalid state load
1066361 – CVE-2013-6399 qemu: virtio: buffer overrun on incoming migration
1066382 – CVE-2013-4542 qemu: virtio-scsi: buffer overrun on invalid state load
1066384 – CVE-2013-4541 qemu: usb: insufficient sanity checking of setup_index+setup_len in post_load
1066401 – CVE-2013-4535 CVE-2013-4536 qemu: virtio: insufficient validation of num_sg when mapping
1088986 – CVE-2014-0182 qemu: virtio: out-of-bounds buffer write on state load with invalid config_len
1096821 – CVE-2014-3461 Qemu: usb: fix up post load checks
1097216 – CVE-2014-0222 Qemu: qcow1: validate L2 table size to avoid integer overflows
1097222 – CVE-2014-0223 Qemu: qcow1: validate image size to avoid out-of-bounds memory access

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 5.0 for RHEL 7:

Source:
qemu-kvm-rhev-1.5.3-60.el7_0.7.src.rpm

x86_64:
libcacard-devel-rhev-1.5.3-60.el7_0.7.x86_64.rpm
libcacard-rhev-1.5.3-60.el7_0.7.x86_64.rpm
libcacard-tools-rhev-1.5.3-60.el7_0.7.x86_64.rpm
qemu-img-rhev-1.5.3-60.el7_0.7.x86_64.rpm
qemu-kvm-common-rhev-1.5.3-60.el7_0.7.x86_64.rpm
qemu-kvm-rhev-1.5.3-60.el7_0.7.x86_64.rpm
qemu-kvm-rhev-debuginfo-1.5.3-60.el7_0.7.x86_64.rpm
qemu-kvm-tools-rhev-1.5.3-60.el7_0.7.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-2013-4148.html
https://www.redhat.com/security/data/cve/CVE-2013-4149.html
https://www.redhat.com/security/data/cve/CVE-2013-4150.html
https://www.redhat.com/security/data/cve/CVE-2013-4151.html
https://www.redhat.com/security/data/cve/CVE-2013-4527.html
https://www.redhat.com/security/data/cve/CVE-2013-4529.html
https://www.redhat.com/security/data/cve/CVE-2013-4535.html
https://www.redhat.com/security/data/cve/CVE-2013-4536.html
https://www.redhat.com/security/data/cve/CVE-2013-4541.html
https://www.redhat.com/security/data/cve/CVE-2013-4542.html
https://www.redhat.com/security/data/cve/CVE-2013-6399.html
https://www.redhat.com/security/data/cve/CVE-2014-0182.html
https://www.redhat.com/security/data/cve/CVE-2014-0222.html
https://www.redhat.com/security/data/cve/CVE-2014-0223.html
https://www.redhat.com/security/data/cve/CVE-2014-3461.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/

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