low
1.2
CWE
20
Advisory Published
Updated

CVE-2014-5177: Input Validation

First published: Sun Aug 03 2014(Updated: )

libvirt 1.0.0 through 1.2.x before 1.2.5, when fine grained access control is enabled, allows local users to read arbitrary files via a crafted XML document containing an XML external entity declaration in conjunction with an entity reference to the (1) virDomainDefineXML, (2) virNetworkCreateXML, (3) virNetworkDefineXML, (4) virStoragePoolCreateXML, (5) virStoragePoolDefineXML, (6) virStorageVolCreateXML, (7) virDomainCreateXML, (8) virNodeDeviceCreateXML, (9) virInterfaceDefineXML, (10) virStorageVolCreateXMLFrom, (11) virConnectDomainXMLFromNative, (12) virConnectDomainXMLToNative, (13) virSecretDefineXML, (14) virNWFilterDefineXML, (15) virDomainSnapshotCreateXML, (16) virDomainSaveImageDefineXML, (17) virDomainCreateXMLWithFiles, (18) virConnectCompareCPU, or (19) virConnectBaselineCPU API method, related to an XML External Entity (XXE) issue. NOTE: this issue was SPLIT from CVE-2014-0179 per ADT3 due to different affected versions of some vectors.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Red Hat Enterprise Virtualization=3.0
SUSE Linux=12.3
SUSE Linux=13.1
Red Hat Enterprise Linux=6.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.5
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.5.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.5.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.5.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.5.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.5.5
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.5.6
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.0.6
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.1.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.1.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.1.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.1.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.1.4
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.2.0
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.2.1
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.2.2
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.2.3
Red Hat Libvirt-daemon-driver-storage-iscsi-direct=1.2.4

Remedy

http://security.libvirt.org/2014/0003.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2014-5177?

    CVE-2014-5177 has a medium severity rating due to its potential for local users to read arbitrary files.

  • How do I fix CVE-2014-5177?

    To fix CVE-2014-5177, upgrade libvirt to version 1.2.5 or later.

  • Who is affected by CVE-2014-5177?

    CVE-2014-5177 affects local users of libvirt versions 1.0.0 through 1.2.x before 1.2.5.

  • What types of systems are vulnerable to CVE-2014-5177?

    Vulnerable systems include Red Hat Enterprise Virtualization 3.0 and openSUSE versions 12.3 and 13.1.

  • What does CVE-2014-5177 exploit?

    CVE-2014-5177 exploits fine-grained access control settings to allow unauthorized file access via crafted XML documents.

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