medium
4
CWE
189 190
Advisory Published
Updated

CVE-2011-2511: Integer Overflow

First published: Wed Aug 10 2011(Updated: )

Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.4.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.6
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.4.5
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.7.5
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.0.6
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.5.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.7.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.0.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.7
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.0.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.2.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.7.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.4.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.3.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.0.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.8
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.3.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.9
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.4.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.5
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.7
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.7.7
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.6.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.3.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.6
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.9.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.6.5
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.2.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.7.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.2.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.0.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.6.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.8
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.6.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.4.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.5.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.7.6
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.7.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.6.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct<=0.9.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.9.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.4.6
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.1.5
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.7.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.4.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.0.5
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.2.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.6.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.8.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=0.3.2

Remedy

http://www.openwall.com/lists/oss-security/2011/06/28/9

Remedy

https://www.redhat.com/archives/libvir-list/2011-June/msg01278.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-2511?

    CVE-2011-2511 has a high severity due to its potential to cause a denial of service and possibly execute arbitrary code.

  • Who is affected by CVE-2011-2511?

    CVE-2011-2511 affects remote authenticated users of the libvirt software versions before 0.9.3.

  • How do I fix CVE-2011-2511?

    To fix CVE-2011-2511, upgrade libvirt to version 0.9.3 or later.

  • What type of attack does CVE-2011-2511 allow?

    CVE-2011-2511 may allow attackers to cause a denial of service and potentially gain control over the affected system.

  • Is my libvirt installation vulnerable to CVE-2011-2511?

    If you are using a version of libvirt prior to 0.9.3, your installation is vulnerable to CVE-2011-2511.

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