Microsoft Windows VML vgx.dll buffer overflow
| win-vml-vgx-bo (35761) |  High Risk |
Description:
The Microsoft Windows Vector Markup Language (VML) implementation is vulnerable to a buffer overflow in the vector graphics link library (vgx.dll). By persuading a victim to visit a malicious Web page or open a specially-crafted HTML email using Microsoft Internet Explorer, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the victim.
Platforms Affected:
- Microsoft, Internet Explorer 5.01 SP4
- Microsoft, Internet Explorer 6 SP1
- Microsoft, Internet Explorer 6
- Microsoft, Internet Explorer 7
- Microsoft, Windows 2000 SP4
- Microsoft, Windows 2003 Server SP1 Itanium
- Microsoft, Windows 2003 Server SP2 Itanium
- Microsoft, Windows 2003 Server SP1
- Microsoft, Windows 2003 Server x64
- Microsoft, Windows 2003 Server SP2
- Microsoft, Windows 2003 Server SP2 x64
- Microsoft, Windows Vista
- Microsoft, Windows Vista x64
- Microsoft, Windows XP SP2
- Microsoft, Windows XP SP2 Professional x64
- Microsoft, Windows XP Professional x64
Remedy:
Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.
— OR —
Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.
Consequences:
Gain Access
References:
- BugTraq Mailing List, Tue Aug 14 2007 - 14:47:18 CDT, EEYE: VGX.DLL Compressed Content Heap Overflow Vulnerability at http://archives.neohapsis.com/archives/bugtraq/2007-08/0202.html.
- HPSBST02255 SSRT071456 rev.1, Storage Management Appliance (SMA), Microsoft Patch Applicability MS07-042 to MS07-050 at http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01143196&jumpid=reg_R1002_USEN.
- IBM Internet Security Systems Protection Alert - Aug. 14, 2007, Microsoft Vector Markup Language Remote Code Execution at http://www.iss.net/threats/273.html.
- Microsoft Security Bulletin MS07-050, Vulnerability in Vector Markup Language Could Allow Remote Code Execution (938127) at http://www.microsoft.com/technet/security/bulletin/ms07-050.mspx.
- Microsoft Security Bulletin MS08-052, Vulnerabilities in GDI+ Could Allow Remote Code Execution (954593) at http://www.microsoft.com/technet/security/Bulletin/MS08-052.mspx.
- ASA-2007-359: MS07-050 Vulnerability in Vector Markup Language Could Allow Remote Code Execution (938127)
- BID-25310: Microsoft Internet Explorer Vector Markup Language VGX.DLL Remote Buffer Overflow Vulnerability
- CVE-2007-1749: Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.
- FrSIRT/ADV-2007-2874: Microsoft Windows Vector Markup Language Code Execution Issue (MS07-050)
- SA26409: Microsoft Windows Vector Markup Language Buffer Overflow
- SECTRACK ID: 1018568: Microsoft Vector Markup Language Buffer Overflow Lets Remote Users Execute Arbitrary Code
- US-CERT VU#468800: Microsoft Windows VML compressed content integer underflow
Reported:
Aug 14, 2007
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