Vulnerabilities

Off-by-one error in the GpFont::SetData function in gdiplus.dll in Microsoft... (PC1-2009-0835)

Vulnerability chart	Overview: Off-by-one error in the GpFont::SetData function in gdiplus.dll in Microsoft GDI+ on Windows XP was detected. Vulnerable: Windows XP
DDOS Unknown patch availability Patch implementation unknown

Release date:	2009-04-01
Description:	By using off-by-one error in the GpFont::SetData function in gdiplus.dll in Microsoft GDI+ on Windows XP, remote attackers are enabled to provoke a denial of service, that is to say stack corruption and application termination. It is created through a crafted EMF file that triggers an integer overflow. It was established by voltage-exploit.emf, aka the "Microsoft GdiPlus EMF GpFont.SetData integer overflow."
Impact:	If off-by-one error in the GpFont::SetData function in gdiplus.dll in Microsoft GDI+ on Windows XP vulnerability is used, unauthorized revelation of information, unauthorized modification and disruption of service is enabled.
References:	http://xforce.iss.net/xforce/xfdb/49438 http://www.vupen.com/english/advisories/2009/0832 http://blogs.technet.com/srd/archive/2009/03/26/new-emf-gdiplus-dll-crash-not-exploitable-for-code-execution.aspx http://bl4cksecurity.blogspot.com/2009/03/microsoft-gdiplus-emf-gpfontsetdata.html

CVSS Severity		CVSS Version 2 Metrics:
CVSS v2 Base Score:	5.8 (MEDIUM)	Access Vector:	Network exploitable; Victim must voluntarily interact with attack mechanism
Impact Subscore:	10.0	Access Complexity:	Medium
Exploitability Subscore:	8.6	Authentication:	Not required to exploit
		Impact Type:	Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service