Vulnerability identifier: #VU1266

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-2008-2463

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Microsoft Access
Client/Desktop applications / Office applications
Microsoft Office
Client/Desktop applications / Office applications

Vendor: Microsoft

Description
The vulnerability alows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to buffer overflow in the ActiveX control for the Snapshot Viewer for Microsoft Access. A remote attacker can construct a specially crafted Web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: this vulnerability was being actively exploited.

Mitigation
Install update from vendor's website:

Microsoft Office Access 2000 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=54e4031d-298f-480c-88d5-0ad3b2b62ba9
https://technet.microsoft.com/security/bulletin/ms03-038
Microsoft Office Access 2002 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=34b655f8-1922-4246-94ca-ed381c3e3b13
https://technet.microsoft.com/security/bulletin/ms03-038
Microsoft Office Access 2003 Service Pack 2 and Microsoft Office Access 2003 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=fd698517-a504-427d-9e5f-fde8f102142c

Vulnerable software versions

Microsoft Access:

Microsoft Office: 2000

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External links
http://technet.microsoft.com/en-us/library/security/ms08-041.aspx
http://technet.microsoft.com/library/security/ms03-038

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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.