Vulnerability identifier: #VU1390

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2009-2518

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

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

The weakness exists due to integer overflow in GDI+ when handling malformed Office Documents. A remote attacker can create a Microsoft Office document containing a specially crafted BMP image, 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.

Mitigation
Install update from vendor's website:

Microsoft Office XP Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=b4ac7fbe-dd19-4940-a576-89a6b7ed602d

Vulnerable software versions

Microsoft Office:

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External links
http://technet.microsoft.com/en-us/library/security/ms09-062.aspx

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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.