Vulnerability in Graphics Rendering Engine Could Allow Remote Code Execution

Risk: High
Local: Yes
Remote: Yes
CWE: CWE-189

CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Symantec Vulnerability Research Security Advisory Advisory ID : SYMSA-2006-004 Advisory Title: Vulnerability in Graphics Rendering Engine Could Allow Remote Code Execution Author : Peter Ferrie / peter_ferrie (at) symantec (dot) com [email concealed] Release Date : 06-13-2006 Application : Those which utilize the vulnerable function on affected platforms Platform : Windows 98, Windows 98 Second Edition, Windows Millennium Edition Severity : Remotely exploitable arbitrary code execution Vendor status : Vendor verified, patch available (See MS06-026 and KB918547) CVE Number : CVE-2006-2376 Reference : Overview: A remote code execution vulnerability exists in the Graphics Rendering Engine because of the way that it handles Windows Metafile (WMF) images. An attacker could exploit this by placing a specially crafted WMF or EMF image on a webpage, or by sending the image as an attachment in an e-mail. The exploit is triggered by viewing the specially crafted image file. No user interaction is required. An attacker who successfully exploited this vulnerability could take complete control of the affected system. Details: A heap overflow vulnerability exists in the WMF PolyPolygon function, because of an unchecked user- supplied parameter. <Details witheld for 30 days. Full disclosure on July 11, 2006> The manner of the heap corruption is under user control, which can result in the execution of arbitrary code. Vendor Response: The above vulnerability was addressed for the affected platforms via Microsoft Security Bulletin MS06-026. If there are any further questions about this statement, please contact secure (at) microsoft (dot) com. [email concealed] Recommendation: Follow your organization's testing procedures before applying patches or workarounds. Customers should apply Microsoft's update as soon as possible. Common Vulnerabilities and Exposures (CVE) Information: The Common Vulnerabilities and Exposures (CVE) project has assigned the following names to these issues. These are candidates for inclusion in the CVE list (, which standardizes names for security problems. CVE-2006-2376 - -------Symantec Vulnerability Research Advisory Information------- For questions about this advisory, or to report an error: research (at) symantec (dot) com [email concealed] For details on Symantec's Vulnerability Reporting Policy: Symantec Vulnerability Research Advisory Archive: Symantec Vulnerability Research GPG Key: - -------------Symantec Product Advisory Information------------- To Report a Security Vulnerability in a Symantec Product: secure (at) symantec (dot) com [email concealed] For general information on Symantec's Product Vulnerability reporting and response: Symantec Product Advisory Archive: Symantec Product Advisory PGP Key: sc - --------------------------------------------------------------- Copyright (c) 2006 by Symantec Corp. Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Consulting Services. Reprinting the whole or part of this alert in any medium other than electronically requires permission from cs_advisories (at) symantec (dot) com. [email concealed] Disclaimer The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information. Symantec, Symantec products, and Symantec Consulting Services are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (MingW32) iD8DBQFEjiJauk7IIFI45IARAhDpAJ9suM2cNtSO8OY+OoO+NWnaNy/VNACg8Ixa e92coR0Imhk0LTFG10DxDAA= =M1uw -----END PGP SIGNATURE-----

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