28946 : Microsoft IE Vector Markup Language (VML) Arbitrary Code Execution
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Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
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Disclosure Date
Days of Exposure
7 days


A remote stack-based buffer overflow exists in Microsoft Internet Explorer. The browser's vml rendering engine fails to check the length of a fill parameter on the rect tag resulting in a stack-based buffer overflow. With a specially crafted request that contains a vml graphic, an attacker can cause arbitrary code execution resulting in a loss of integrity.


Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Workaround, Patch / RCS
Exploit: Exploit Public, Exploit Commercial
Disclosure: Vendor Verified, Uncoordinated Disclosure, Discovered in the Wild


Microsoft has released a patch to address this issue. Additionally, it is possible to correct the flaw by implementing the following workaround(s):

Disable active scripting, or change the access control list of vgx.dll. It has been reported that those recommendations have been reported to be unsuccessful.

To un-register Vgx.dll, follow these steps:

Click Start, click Run, type "regsvr32 -u "%ProgramFiles%\Common Files\Microsoft Shared\VGX\vgx.dll " (without the quotation marks), and then click OK.


Microsoft Corporation
Internet Explorer
7 RC1


Tools & Filters






CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2006-09-22 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2


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