National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2008-3687 Detail

Description

Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.

Source:  MITRE
Description Last Modified:  08/14/2008

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


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

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/21/2008)

Not vulnerable. This issue did not affect the version of Xen hypervisor as shipped with Red Hat Enterprise Linux 5, as it does not support XSM.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://invisiblethingslab.com/bh08/part2.pdf
http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html
http://www.nabble.com/-PATCH--XSM--FLASK--Argument-handling-bugs-in-XSM:FLASK-to18536032.html Patch
http://www.securityfocus.com/bid/30834
http://www.securitytracker.com/id?1020731
http://www.vupen.com/english/advisories/2008/2426
http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a
https://exchange.xforce.ibmcloud.com/vulnerabilities/44608

Technical Details

Vulnerability Type (View All)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2008-3687
NVD Published Date:
08/14/2008
NVD Last Modified:
08/07/2017