drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in libvirt
Name: |
Ausführen beliebiger Kommandos in libvirt |
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ID: |
RHSA-2011:0391-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mo, 28. März 2011, 23:12 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1146 |
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Applikationen: |
libvirt |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: libvirt security update Advisory ID: RHSA-2011:0391-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-0391.html Issue date: 2011-03-28 CVE Names: CVE-2011-1146 =====================================================================
1. Summary:
Updated libvirt packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6.
The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
2. Relevant releases/architectures:
RHEL Desktop Multi OS (v. 5 client) - i386, x86_64 RHEL Virtualization (v. 5 server) - i386, ia64, x86_64 Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
3. Description:
The libvirt library is a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remotely managing virtualized systems.
It was found that several libvirt API calls did not honor the read-only permission for connections. A local attacker able to establish a read-only connection to libvirtd on a server could use this flaw to execute commands that should be restricted to read-write connections, possibly leading to a denial of service or privilege escalation. (CVE-2011-1146)
Note: Previously, using rpmbuild without the '--define "rhel 5"' option to build the libvirt source RPM on Red Hat Enterprise Linux 5 failed with a "Failed build dependencies" error for the device-mapper-devel package, as this -devel sub-package is not available on Red Hat Enterprise Linux 5. With this update, the -devel sub-package is no longer checked by default as a dependency when building on Red Hat Enterprise Linux 5, allowing the libvirt source RPM to build as expected.
All libvirt users are advised to upgrade to these updated packages, which contain a backported patch to resolve this issue. After installing the updated packages, libvirtd must be restarted ("service libvirtd restart") 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/kb/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
683650 - CVE-2011-1146 libvirt: several API calls do not honour read-only connection
6. Package List:
RHEL Desktop Multi OS (v. 5 client):
Source: libvirt-0.8.2-15.el5_6.3.src.rpm
i386: libvirt-0.8.2-15.el5_6.3.i386.rpm libvirt-debuginfo-0.8.2-15.el5_6.3.i386.rpm libvirt-devel-0.8.2-15.el5_6.3.i386.rpm libvirt-python-0.8.2-15.el5_6.3.i386.rpm
x86_64: libvirt-0.8.2-15.el5_6.3.i386.rpm libvirt-0.8.2-15.el5_6.3.x86_64.rpm libvirt-debuginfo-0.8.2-15.el5_6.3.i386.rpm libvirt-debuginfo-0.8.2-15.el5_6.3.x86_64.rpm libvirt-devel-0.8.2-15.el5_6.3.i386.rpm libvirt-devel-0.8.2-15.el5_6.3.x86_64.rpm libvirt-python-0.8.2-15.el5_6.3.x86_64.rpm
RHEL Virtualization (v. 5 server):
Source: libvirt-0.8.2-15.el5_6.3.src.rpm
i386: libvirt-0.8.2-15.el5_6.3.i386.rpm libvirt-debuginfo-0.8.2-15.el5_6.3.i386.rpm libvirt-devel-0.8.2-15.el5_6.3.i386.rpm libvirt-python-0.8.2-15.el5_6.3.i386.rpm
ia64: libvirt-0.8.2-15.el5_6.3.ia64.rpm libvirt-debuginfo-0.8.2-15.el5_6.3.ia64.rpm libvirt-devel-0.8.2-15.el5_6.3.ia64.rpm libvirt-python-0.8.2-15.el5_6.3.ia64.rpm
x86_64: libvirt-0.8.2-15.el5_6.3.i386.rpm libvirt-0.8.2-15.el5_6.3.x86_64.rpm libvirt-debuginfo-0.8.2-15.el5_6.3.i386.rpm libvirt-debuginfo-0.8.2-15.el5_6.3.x86_64.rpm libvirt-devel-0.8.2-15.el5_6.3.i386.rpm libvirt-devel-0.8.2-15.el5_6.3.x86_64.rpm libvirt-python-0.8.2-15.el5_6.3.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source: libvirt-0.8.1-27.el6_0.5.src.rpm
i386: libvirt-0.8.1-27.el6_0.5.i686.rpm libvirt-client-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-python-0.8.1-27.el6_0.5.i686.rpm
x86_64: libvirt-0.8.1-27.el6_0.5.x86_64.rpm libvirt-client-0.8.1-27.el6_0.5.i686.rpm libvirt-client-0.8.1-27.el6_0.5.x86_64.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm libvirt-python-0.8.1-27.el6_0.5.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source: libvirt-0.8.1-27.el6_0.5.src.rpm
i386: libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-devel-0.8.1-27.el6_0.5.i686.rpm
x86_64: libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm libvirt-devel-0.8.1-27.el6_0.5.i686.rpm libvirt-devel-0.8.1-27.el6_0.5.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: libvirt-0.8.1-27.el6_0.5.src.rpm
x86_64: libvirt-0.8.1-27.el6_0.5.x86_64.rpm libvirt-client-0.8.1-27.el6_0.5.i686.rpm libvirt-client-0.8.1-27.el6_0.5.x86_64.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm libvirt-python-0.8.1-27.el6_0.5.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source: libvirt-0.8.1-27.el6_0.5.src.rpm
x86_64: libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm libvirt-devel-0.8.1-27.el6_0.5.i686.rpm libvirt-devel-0.8.1-27.el6_0.5.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: libvirt-0.8.1-27.el6_0.5.src.rpm
i386: libvirt-0.8.1-27.el6_0.5.i686.rpm libvirt-client-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-devel-0.8.1-27.el6_0.5.i686.rpm libvirt-python-0.8.1-27.el6_0.5.i686.rpm
ppc64: libvirt-0.8.1-27.el6_0.5.ppc64.rpm libvirt-client-0.8.1-27.el6_0.5.ppc.rpm libvirt-client-0.8.1-27.el6_0.5.ppc64.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.ppc.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.ppc64.rpm libvirt-devel-0.8.1-27.el6_0.5.ppc.rpm libvirt-devel-0.8.1-27.el6_0.5.ppc64.rpm libvirt-python-0.8.1-27.el6_0.5.ppc64.rpm
s390x: libvirt-0.8.1-27.el6_0.5.s390x.rpm libvirt-client-0.8.1-27.el6_0.5.s390.rpm libvirt-client-0.8.1-27.el6_0.5.s390x.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.s390.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.s390x.rpm libvirt-devel-0.8.1-27.el6_0.5.s390.rpm libvirt-devel-0.8.1-27.el6_0.5.s390x.rpm libvirt-python-0.8.1-27.el6_0.5.s390x.rpm
x86_64: libvirt-0.8.1-27.el6_0.5.x86_64.rpm libvirt-client-0.8.1-27.el6_0.5.i686.rpm libvirt-client-0.8.1-27.el6_0.5.x86_64.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm libvirt-devel-0.8.1-27.el6_0.5.i686.rpm libvirt-devel-0.8.1-27.el6_0.5.x86_64.rpm libvirt-python-0.8.1-27.el6_0.5.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: libvirt-0.8.1-27.el6_0.5.src.rpm
i386: libvirt-0.8.1-27.el6_0.5.i686.rpm libvirt-client-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-devel-0.8.1-27.el6_0.5.i686.rpm libvirt-python-0.8.1-27.el6_0.5.i686.rpm
x86_64: libvirt-0.8.1-27.el6_0.5.x86_64.rpm libvirt-client-0.8.1-27.el6_0.5.i686.rpm libvirt-client-0.8.1-27.el6_0.5.x86_64.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.i686.rpm libvirt-debuginfo-0.8.1-27.el6_0.5.x86_64.rpm libvirt-devel-0.8.1-27.el6_0.5.i686.rpm libvirt-devel-0.8.1-27.el6_0.5.x86_64.rpm libvirt-python-0.8.1-27.el6_0.5.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-2011-1146.html https://access.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 2011 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux)
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