34393 : Microsoft Excel BIFF Record Named Graph Record Parsing Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
3	915	over 4 years ago	about 1 year ago	5 times	100%

Timeline

Discovery Date	Vendor Informed Date	Disclosure Date
2006-11-16	2006-11-16	2007-05-08

Description

A context-dependent memory corruption flaw exists in Excel. It fails to validate BIFF records resulting in memory corruption. With a specially crafted file, an attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Local Access Required, Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Private, Exploit Commercial
Disclosure: OSVDB Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products

Microsoft Corporation	Excel	2000
		2002
		2003
	Excel Viewer	2003

References

Security Tracker: 1018012
CVE ID: 2007-0215 (see also: NVD)
Bugtraq ID: 23760
Secunia Advisory ID: 25150
SCIP VulDB ID: 3063
Related OSVDB ID: 34394 34395
Microsoft Knowledge Base Article: 934233
VUPEN Advisory: ADV-2007-1708
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2007-05/0104.html
News Article: http://www.informationweek.com/news/showArticle.jhtml?articleID=199400216
Generic Exploit URL: http://www.saintcorporation.com
http://www.saintcorporation.com/cgi-bin/exploit_info/excel_named_graph
Other Advisory URL: http://www.zerodayinitiative.com/advisories/ZDI-07-026.html
Microsoft Security Bulletin: MS07-023

Tools & Filters

Snort	11258 11290
	25162 25173

Credit

Manuel Santamarina Suarez - Zero Day Initiative (ZDI)

CVSSv2 Score

CVSSv2 Base Score = 7.6
Source: nvd.nist.gov | Generated: 2007-05-09 | Disagree?

Blogs

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