#VU2995 Heap-based buffer overflow in Microsoft Office - CVE-2012-0167
Published: December 28, 2016 / Updated: March 14, 2017
Vulnerability identifier: #VU2995
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2012-0167
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft Office
Microsoft Office
Software vendor:
Microsoft
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 when parsing EMF images. A remote attacker can create a specially crafted EMF images embedded within an Office document, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
The weakness exists due to heap-based buffer overflow when parsing EMF images. A remote attacker can create a specially crafted EMF images embedded within an Office document, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Remediation
Install update from vendor's website:
Microsoft Office 2003 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=0abbf09c-8828-4524-8b38-e34faefa2ae4
Microsoft Office 2007 Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=b9a27671-883a-4ab7-b86f-99730a9af729
Microsoft Office 2007 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=b9a27671-883a-4ab7-b86f-99730a9af729
Microsoft Office 2003 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=0abbf09c-8828-4524-8b38-e34faefa2ae4
Microsoft Office 2007 Service Pack 2:
https://www.microsoft.com/downloads/details.aspx?familyid=b9a27671-883a-4ab7-b86f-99730a9af729
Microsoft Office 2007 Service Pack 3:
https://www.microsoft.com/downloads/details.aspx?familyid=b9a27671-883a-4ab7-b86f-99730a9af729