CVE-2008-3687: Buffer Overflow
First published: Thu Aug 14 2008(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen Xen flask module | ||
| Xen xen-unstable | =3.3 |
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Reference Links
- http://www.nabble.com/-PATCH--XSM--FLASK--Argument-handling-bugs-in-XSM:FLASK-to18536032.html
- http://invisiblethingslab.com/bh08/part2.pdf
- http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html
- http://www.securitytracker.com/id?1020731
- http://www.securityfocus.com/bid/30834
- http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a
- http://secunia.com/advisories/31561
- http://www.vupen.com/english/advisories/2008/2426
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44608
Frequently Asked Questions
What is the severity of CVE-2008-3687?
CVE-2008-3687 is considered a critical vulnerability due to its potential for allowing unprivileged domain users to execute arbitrary code.
How do I fix CVE-2008-3687?
To fix CVE-2008-3687, ensure that you apply patches or updates provided by Xen for the vulnerable XSM:FLASK module.
What software versions are affected by CVE-2008-3687?
CVE-2008-3687 affects Xen 3.3 when compiled with the XSM:FLASK module.
Who is vulnerable to CVE-2008-3687?
Unprivileged domain users (domU) in a Xen environment are vulnerable to CVE-2008-3687.
What type of vulnerability is CVE-2008-3687?
CVE-2008-3687 is a heap-based buffer overflow vulnerability.
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