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Red Hat Product Errata RHSA-2009:0382 - Security Advisory
Issued:
2009-03-19
Updated:
2011-05-05

RHSA-2009:0382 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: libvirt security update

Type/Severity

Security Advisory: Moderate

Topic

Updated libvirt packages that fix two security issues are now available for
Red Hat Enterprise Linux 5.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

[Updated 5th May 2011]
After installing this update and restarting the libvirtd service, the
"virsh attach-disk" command failed. Rebooting guest systems after
installing the update resolved the issue. The erratum text has been updated
to reflect that guest systems must be rebooted. Future updates will advise
if a guest reboot is needed. No changes have been made to the packages.

Description

libvirt is a C API for managing and interacting with the virtualization
capabilities of Linux and other operating systems. libvirt also provides
tools for remotely managing virtualized systems.

The libvirtd daemon was discovered to not properly check user connection
permissions before performing certain privileged actions, such as
requesting migration of an unprivileged guest domain to another system. A
local user able to establish a read-only connection to libvirtd could use
this flaw to perform actions that should be restricted to read-write
connections. (CVE-2008-5086)

libvirt_proxy, a setuid helper application allowing non-privileged users to
communicate with the hypervisor, was discovered to not properly validate
user requests. Local users could use this flaw to cause a stack-based
buffer overflow in libvirt_proxy, possibly allowing them to run arbitrary
code with root privileges. (CVE-2009-0036)

All users are advised to upgrade to these updated packages, which contain
backported patches which resolve these issues. After installing the update,
libvirtd must be restarted manually (for example, by issuing a "service
libvirtd restart" command), and guest systems rebooted, for this change to
take effect.

Solution

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

Affected Products

  • Red Hat Enterprise Linux Server 5 x86_64
  • Red Hat Enterprise Linux Server 5 ia64
  • Red Hat Enterprise Linux Server 5 i386
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.6 ia64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.6 i386
  • Red Hat Enterprise Linux Server - AUS 5.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 5.6 ia64
  • Red Hat Enterprise Linux Server - AUS 5.6 i386
  • Red Hat Enterprise Linux Workstation 5 x86_64
  • Red Hat Enterprise Linux Workstation 5 i386

Fixes

  • BZ - 476560 - CVE-2008-5086 libvirt: missing checks for read-only connection
  • BZ - 484947 - CVE-2009-0036 libvirt: libvirt_proxy buffer overflow

CVEs

  • CVE-2009-0036
  • CVE-2008-5086

References

  • https://access.redhat.com/security/updates/classification/#moderate
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat Enterprise Linux Server 5

    SRPM
    libvirt-0.3.3-14.el5_3.1.src.rpm SHA-256: 200d1cb78aa6496b5e82ad1ef722e907fdd5e62ed22d72b96a9d93ac5c8e9c03
    x86_64
    libvirt-0.3.3-14.el5_3.1.i386.rpm SHA-256: e5f128d32dbc88b4458d68e62e439962eb75b45fb29a44a0794350e08958bcc3
    libvirt-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 08a8101a3d3268cbc984704b7aa70fec5177bbd42f3152a263195f949537c5f8
    libvirt-devel-0.3.3-14.el5_3.1.i386.rpm SHA-256: eaac100dd2d48f1c540198d0cfa0ecc5190964bc96a9f667c519fd917c1872e9
    libvirt-devel-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 133449e1295d8b450171dd7e6ebd5dd7039f4d1e7e62cd239765bd6cea35f05b
    libvirt-python-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 12a527591d7dd886c95cf595687928af9f8d3009d456a9a98ba5e1b919796f94
    ia64
    libvirt-0.3.3-14.el5_3.1.ia64.rpm SHA-256: e4d1b4785bab834202b35e564563191a6fb7315142b5af1550a22b89031b1893
    libvirt-devel-0.3.3-14.el5_3.1.ia64.rpm SHA-256: e733c0773c33a73faf9265e9aafc1c52cb1598100cda62cbfd452f26aa06623e
    libvirt-python-0.3.3-14.el5_3.1.ia64.rpm SHA-256: c59991068ae2c9f3a3e1f9d2501854df54cb2c994593e06b6fbc81f2e6461084
    i386
    libvirt-0.3.3-14.el5_3.1.i386.rpm SHA-256: e5f128d32dbc88b4458d68e62e439962eb75b45fb29a44a0794350e08958bcc3
    libvirt-devel-0.3.3-14.el5_3.1.i386.rpm SHA-256: eaac100dd2d48f1c540198d0cfa0ecc5190964bc96a9f667c519fd917c1872e9
    libvirt-python-0.3.3-14.el5_3.1.i386.rpm SHA-256: 8caa35f42ea9ffb439a6674e4e47969f089ebf1616616d4636053e224a178221

    Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.6

    SRPM
    libvirt-0.3.3-14.el5_3.1.src.rpm SHA-256: 200d1cb78aa6496b5e82ad1ef722e907fdd5e62ed22d72b96a9d93ac5c8e9c03
    x86_64
    libvirt-0.3.3-14.el5_3.1.i386.rpm SHA-256: e5f128d32dbc88b4458d68e62e439962eb75b45fb29a44a0794350e08958bcc3
    libvirt-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 08a8101a3d3268cbc984704b7aa70fec5177bbd42f3152a263195f949537c5f8
    libvirt-devel-0.3.3-14.el5_3.1.i386.rpm SHA-256: eaac100dd2d48f1c540198d0cfa0ecc5190964bc96a9f667c519fd917c1872e9
    libvirt-devel-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 133449e1295d8b450171dd7e6ebd5dd7039f4d1e7e62cd239765bd6cea35f05b
    libvirt-python-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 12a527591d7dd886c95cf595687928af9f8d3009d456a9a98ba5e1b919796f94
    ia64
    libvirt-0.3.3-14.el5_3.1.ia64.rpm SHA-256: e4d1b4785bab834202b35e564563191a6fb7315142b5af1550a22b89031b1893
    libvirt-devel-0.3.3-14.el5_3.1.ia64.rpm SHA-256: e733c0773c33a73faf9265e9aafc1c52cb1598100cda62cbfd452f26aa06623e
    libvirt-python-0.3.3-14.el5_3.1.ia64.rpm SHA-256: c59991068ae2c9f3a3e1f9d2501854df54cb2c994593e06b6fbc81f2e6461084
    i386
    libvirt-0.3.3-14.el5_3.1.i386.rpm SHA-256: e5f128d32dbc88b4458d68e62e439962eb75b45fb29a44a0794350e08958bcc3
    libvirt-devel-0.3.3-14.el5_3.1.i386.rpm SHA-256: eaac100dd2d48f1c540198d0cfa0ecc5190964bc96a9f667c519fd917c1872e9
    libvirt-python-0.3.3-14.el5_3.1.i386.rpm SHA-256: 8caa35f42ea9ffb439a6674e4e47969f089ebf1616616d4636053e224a178221

    Red Hat Enterprise Linux Server - AUS 5.6

    SRPM
    libvirt-0.3.3-14.el5_3.1.src.rpm SHA-256: 200d1cb78aa6496b5e82ad1ef722e907fdd5e62ed22d72b96a9d93ac5c8e9c03
    x86_64
    libvirt-0.3.3-14.el5_3.1.i386.rpm SHA-256: e5f128d32dbc88b4458d68e62e439962eb75b45fb29a44a0794350e08958bcc3
    libvirt-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 08a8101a3d3268cbc984704b7aa70fec5177bbd42f3152a263195f949537c5f8
    libvirt-devel-0.3.3-14.el5_3.1.i386.rpm SHA-256: eaac100dd2d48f1c540198d0cfa0ecc5190964bc96a9f667c519fd917c1872e9
    libvirt-devel-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 133449e1295d8b450171dd7e6ebd5dd7039f4d1e7e62cd239765bd6cea35f05b
    libvirt-python-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 12a527591d7dd886c95cf595687928af9f8d3009d456a9a98ba5e1b919796f94
    ia64
    libvirt-0.3.3-14.el5_3.1.ia64.rpm SHA-256: e4d1b4785bab834202b35e564563191a6fb7315142b5af1550a22b89031b1893
    libvirt-devel-0.3.3-14.el5_3.1.ia64.rpm SHA-256: e733c0773c33a73faf9265e9aafc1c52cb1598100cda62cbfd452f26aa06623e
    libvirt-python-0.3.3-14.el5_3.1.ia64.rpm SHA-256: c59991068ae2c9f3a3e1f9d2501854df54cb2c994593e06b6fbc81f2e6461084
    i386
    libvirt-0.3.3-14.el5_3.1.i386.rpm SHA-256: e5f128d32dbc88b4458d68e62e439962eb75b45fb29a44a0794350e08958bcc3
    libvirt-devel-0.3.3-14.el5_3.1.i386.rpm SHA-256: eaac100dd2d48f1c540198d0cfa0ecc5190964bc96a9f667c519fd917c1872e9
    libvirt-python-0.3.3-14.el5_3.1.i386.rpm SHA-256: 8caa35f42ea9ffb439a6674e4e47969f089ebf1616616d4636053e224a178221

    Red Hat Enterprise Linux Workstation 5

    SRPM
    libvirt-0.3.3-14.el5_3.1.src.rpm SHA-256: 200d1cb78aa6496b5e82ad1ef722e907fdd5e62ed22d72b96a9d93ac5c8e9c03
    x86_64
    libvirt-0.3.3-14.el5_3.1.i386.rpm SHA-256: e5f128d32dbc88b4458d68e62e439962eb75b45fb29a44a0794350e08958bcc3
    libvirt-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 08a8101a3d3268cbc984704b7aa70fec5177bbd42f3152a263195f949537c5f8
    libvirt-devel-0.3.3-14.el5_3.1.i386.rpm SHA-256: eaac100dd2d48f1c540198d0cfa0ecc5190964bc96a9f667c519fd917c1872e9
    libvirt-devel-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 133449e1295d8b450171dd7e6ebd5dd7039f4d1e7e62cd239765bd6cea35f05b
    libvirt-python-0.3.3-14.el5_3.1.x86_64.rpm SHA-256: 12a527591d7dd886c95cf595687928af9f8d3009d456a9a98ba5e1b919796f94
    i386
    libvirt-0.3.3-14.el5_3.1.i386.rpm SHA-256: e5f128d32dbc88b4458d68e62e439962eb75b45fb29a44a0794350e08958bcc3
    libvirt-devel-0.3.3-14.el5_3.1.i386.rpm SHA-256: eaac100dd2d48f1c540198d0cfa0ecc5190964bc96a9f667c519fd917c1872e9
    libvirt-python-0.3.3-14.el5_3.1.i386.rpm SHA-256: 8caa35f42ea9ffb439a6674e4e47969f089ebf1616616d4636053e224a178221

    The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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