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      Last Modified:  08/14/2008

Quick Info

CVE Dictionary Entry:
CVE-2008-3687
Original release date:
08/14/2008
Last revised:
08/07/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
6.8 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
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 Type Source Name
http://invisiblethingslab.com/bh08/part2.pdf External Source MISC http://invisiblethingslab.com/bh08/part2.pdf
http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html External Source MISC 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 External Source MLIST [xen-dev] 20080718 [PATCH][XSM][FLASK] Argument handling bugs in XSM:FLASK
http://www.securityfocus.com/bid/30834 External Source BID 30834
http://www.securitytracker.com/id?1020731 External Source SECTRACK 1020731
http://www.vupen.com/english/advisories/2008/2426 External Source VUPEN ADV-2008-2426
http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a External Source CONFIRM http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a
https://exchange.xforce.ibmcloud.com/vulnerabilities/44608 External Source XF xen-flasksecuritylabel-bo(44608)

Technical Details

Vulnerability Type (View All)

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