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.
References
- http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html
- 30834 vdb-entry
- [xen-dev] 20080718 [PATCH][XSM][FLASK] Argument handling bugs in XSM:FLASK mailing-list
- xen-flasksecuritylabel-bo(44608) vdb-entry
- 31561 third-party-advisory
- http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a
- http://invisiblethingslab.com/bh08/part2.pdf
- ADV-2008-2426 vdb-entry
- 1020731 vdb-entry