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Vulnerability Summary for CVE-2011-1146

Original release date:03/15/2011
Last revised:09/07/2011
Source: US-CERT/NIST

Overview

libvirt.c in the API in Red Hat libvirt 0.8.8 does not properly restrict operations in a read-only connection, which allows remote attackers to cause a denial of service (host OS crash) or possibly execute arbitrary code via a (1) virNodeDeviceDettach, (2) virNodeDeviceReset, (3) virDomainRevertToSnapshot, (4) virDomainSnapshotDelete, (5) virNodeDeviceReAttach, or (6) virConnectDomainXMLToNative call, a different vulnerability than CVE-2008-5086.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:6.9 (MEDIUM) (AV:L/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=683650
Type: Patch Information
Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=683650
External Source: MLIST
Name: [oss-security] 20110310 Re: CVE request: libvirt: several API calls do not honour read-only connection
Type: Patch Information
Hyperlink:http://openwall.com/lists/oss-security/2011/03/10/5
External Source: MLIST
Name: [oss-security] 20110309 CVE request: libvirt: several API calls do not honour read-only connection
Type: Patch Information
Hyperlink:http://openwall.com/lists/oss-security/2011/03/09/3
External Source: CONFIRM
Name: http://libvirt.org/git/?p=libvirt.git;a=commit;h=71753cb7f7a16ff800381c0b5ee4e99eea92fed3
Type: Patch Information
Hyperlink:http://libvirt.org/git/?p=libvirt.git;a=commit;h=71753cb7f7a16ff800381c0b5ee4e99eea92fed3
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=617773
Type: Patch Information
Hyperlink:http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=617773
External Source: CONFIRM
Name: https://bugzilla.novell.com/show_bug.cgi?id=678406
Hyperlink:https://bugzilla.novell.com/show_bug.cgi?id=678406
External Source: XF
Name: libvirt-apicalls-dos(66012)
Hyperlink:http://xforce.iss.net/xforce/xfdb/66012
External Source: VUPEN
Name: ADV-2011-0805
Hyperlink:http://www.vupen.com/english/advisories/2011/0805
External Source: VUPEN
Name: ADV-2011-0794
Hyperlink:http://www.vupen.com/english/advisories/2011/0794
External Source: VUPEN
Name: ADV-2011-0700
Hyperlink:http://www.vupen.com/english/advisories/2011/0700
External Source: VUPEN
Name: ADV-2011-0694
Hyperlink:http://www.vupen.com/english/advisories/2011/0694
External Source: UBUNTU
Name: USN-1094-1
Hyperlink:http://www.ubuntu.com/usn/USN-1094-1
External Source: SECTRACK
Name: 1025262
Hyperlink:http://www.securitytracker.com/id?1025262
External Source: BID
Name: 46820
Hyperlink:http://www.securityfocus.com/bid/46820
External Source: REDHAT
Name: RHSA-2011:0391
Hyperlink:http://www.redhat.com/support/errata/RHSA-2011-0391.html
External Source: DEBIAN
Name: DSA-2194
Hyperlink:http://www.debian.org/security/2011/dsa-2194
External Source: SECUNIA
Name: 44069
Hyperlink:http://secunia.com/advisories/44069
External Source: SECUNIA
Name: 43917
Hyperlink:http://secunia.com/advisories/43917
External Source: SECUNIA
Name: 43897
Hyperlink:http://secunia.com/advisories/43897
External Source: SECUNIA
Name: 43780
Hyperlink:http://secunia.com/advisories/43780
External Source: SECUNIA
Name: 43670
Type: Advisory
Hyperlink:http://secunia.com/advisories/43670
External Source: SUSE
Name: openSUSE-SU-2011:0311
Hyperlink:http://lists.opensuse.org/opensuse-updates/2011-04/msg00022.html
External Source: FEDORA
Name: FEDORA-2011-3286
Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056209.html

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:redhat:libvirt:0.8.8
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1146