National Cyber Awareness System
Vulnerability Summary for CVE-2008-1944
Original release date:05/14/2008
Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer (PVFB) Message 3.0 through 3.0.3 allows local users to cause a denial of service (SDL crash) and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of messages."
CVSS Severity (version 2.0):
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
"The PVFB backend is a user space program running as root in dom0"
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
External Source: XF
External Source: SECTRACK
External Source: BID
External Source: REDHAT
External Source: SECUNIA
External Source: OVAL
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