drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in QEMU
Name: |
Ausführen beliebiger Kommandos in QEMU |
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ID: |
RHSA-2016:1000-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux OpenStack Platform |
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Datum: |
Di, 10. Mai 2016, 09:36 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2016-3710 |
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Applikationen: |
QEMU |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: qemu-kvm-rhev security update Advisory ID: RHSA-2016:1000-01 Product: Red Hat Enterprise Linux OpenStack Platform Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1000.html Issue date: 2016-05-10 CVE Names: CVE-2016-3710 =====================================================================
1. Summary:
An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) 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 in environments managed by Red Hat Enterprise Virtualization Manager.
Security Fix(es):
* An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions (VBE) support performed read/write operations via I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the host's QEMU process. (CVE-2016-3710)
Red Hat would like to thank Wei Xiao (360 Marvel Team) and Qinghao Tang (360 Marvel Team) for reporting this issue.
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
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.
5. Bugs fixed (https://bugzilla.redhat.com/):
1331401 - CVE-2016-3710 qemu: incorrect banked access bounds checking in vga module
6. Package List:
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7:
Source: qemu-kvm-rhev-2.3.0-31.el7_2.13.src.rpm
x86_64: libcacard-devel-rhev-2.3.0-31.el7_2.13.x86_64.rpm libcacard-rhev-2.3.0-31.el7_2.13.x86_64.rpm libcacard-tools-rhev-2.3.0-31.el7_2.13.x86_64.rpm qemu-img-rhev-2.3.0-31.el7_2.13.x86_64.rpm qemu-kvm-common-rhev-2.3.0-31.el7_2.13.x86_64.rpm qemu-kvm-rhev-2.3.0-31.el7_2.13.x86_64.rpm qemu-kvm-rhev-debuginfo-2.3.0-31.el7_2.13.x86_64.rpm qemu-kvm-tools-rhev-2.3.0-31.el7_2.13.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/
7. References:
https://access.redhat.com/security/cve/CVE-2016-3710 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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