Vulnerability identifier: #VU1239

Vulnerability risk: Critical

CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2005-4560

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in Microsoft Graphical Device Interface library (GDI32.DLL) when handling .wmf files. A remote attacker can create a specially crafted .wmf image file with a crafted SETABORTPROC GDI Escape function call, related to the Windows Picture and Fax Viewer (SHIMGVW.DLL), trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Mitigation
Install update from vendor's website

• Microsoft Windows 2000 Service Pack 4 – Download the update
• Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service Pack 2 – Download the update
• Microsoft Windows XP Professional x64 Edition – Download the update
• Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 – Download the update
• Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with SP1 for Itanium-based Systems – Download the update
• Microsoft Windows Server 2003 x64 Edition – Download the update

Vulnerable software versions

Windows: 2000, XP

Windows Server: 2003

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External links
http://technet.microsoft.com/library/security/912840
http://technet.microsoft.com/en-us/library/security/ms06-001.aspx
http://www.kb.cert.org/vuls/id/181038

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.