#VU1419 Heap-based buffer overflow


Published: 2016-12-20 | Updated: 2017-01-09

Vulnerability identifier: #VU1419

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-2009-2496

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications
Microsoft Office Small Business Accounting
Client/Desktop applications / Office applications
Microsoft Forefront Threat Management Gateway
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Microsoft

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

The weakness exists due to heap-based buffer overflow in Office Web Components ActiveX Control. A remote attacker can create a specially crafted Web page, trick the victim into viewing 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=60e2e4e7-aa75-441d-b6fc-7e850bf8e580
http://go.microsoft.com/fwlink/?LinkId=112114
Microsoft Office 2003 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=95c94c9a-6aca-42fb-9679-3234f06c72f7
Microsoft Office XP Web Components Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=60e2e4e7-aa75-441d-b6fc-7e850bf8e580
http://go.microsoft.com/fwlink/?LinkId=112114
Microsoft Office 2003 Web Components Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=95c94c9a-6aca-42fb-9679-3234f06c72f7
Microsoft Office 2003 Web Components Service Pack 1 for the 2007 Microsoft Office System:
https://www.microsoft.com/downloads/details.aspx?familyid=644008e0-77c9-4a02-ac9b-e30d0930c4be
Microsoft Internet Security and Acceleration Server 2004 Standard Edition Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=8f79a073-27e8-46ef-87d8-f09b93521326
Microsoft Internet Security and Acceleration Server 2004 Enterprise Edition Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=8f79a073-27e8-46ef-87d8-f09b93521326
Microsoft Internet Security and Acceleration Server 2006 Standard Edition Service Pack 1:
https://www.microsoft.com/downloads/details.aspx?familyid=8f79a073-27e8-46ef-87d8-f09b93521326
Microsoft Internet Security and Acceleration Server 2006 Enterprise Edition Service Pack 1:
https://www.microsoft.com/downloads/details.aspx?familyid=8f79a073-27e8-46ef-87d8-f09b93521326
Microsoft Office Small Business Accounting 2006:
https://www.microsoft.com/downloads/details.aspx?familyid=0d77ddb3-4d34-4cfe-913b-d05981f59a82

Vulnerable software versions

Microsoft Office:

Microsoft Forefront Threat Management Gateway: 2004 - 2006

Microsoft Office Small Business Accounting: 2006


External links
http://technet.microsoft.com/en-us/library/security/ms09-043.aspx


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.


Latest bulletins with this vulnerability