National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2009-3525 Detail

Description

The pyGrub boot loader in Xen 3.0.3, 3.3.0, and Xen-3.3.1 does not support the password option in grub.conf for para-virtualized guests, which allows attackers with access to the para-virtualized guest console to boot the guest or modify the guest's kernel boot parameters without providing the expected password.

Source:  MITRE
Description Last Modified:  10/05/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
http://www.openwall.com/lists/oss-security/2009/09/25/1 Patch
http://www.redhat.com/support/errata/RHSA-2009-1472.html Vendor Advisory
http://www.securityfocus.com/bid/36523 Exploit
http://www.securitytracker.com/id?1022950
http://xenbits.xensource.com/xen-unstable.hg?rev/8f783adc0ee3 Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=525740 Exploit Patch
https://bugzilla.redhat.com/show_bug.cgi?id=525740#c0 Exploit Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9466

References to Check Content

Identifier:
oval:org.mitre.oval:def:9466
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9466

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-3525
NVD Published Date:
10/05/2009
NVD Last Modified:
09/18/2017