#VU5291 Input validation error in Microsoft products - CVE-2015-2423
Vulnerability identifier: #VU5291
Vulnerability risk: High
CVSSv4.0: 5.7 [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-2015-2423
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Microsoft Visio
Client/Desktop applications /
Office applications
Microsoft Word
Client/Desktop applications /
Office applications
Microsoft Office
Client/Desktop applications /
Office applications
Microsoft PowerPoint
Client/Desktop applications /
Office applications
Microsoft Excel
Client/Desktop applications /
Office applications
Vendor: Microsoft
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to input validation error when processing command line parameters in Microsoft Office files at a medium integrity level within Internet Explorer running in Enhanced Protection Mode (EPM). A remote attacker can trick the victim into opening a specially crafted Office file and execute arbitrary commands on the target system with privileges of the current user.
The vulnerability resides within Microsoft Windows, Internet Explorer, and Microsoft Office.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Mitigation
Install updates from Microsoft website.
Vulnerable software versions
Microsoft Visio: 2007, 2010, 2013, 2016
Microsoft Word: 2007, 2010, 2013 RT Service Pack 1, 2013, 2016
Microsoft Office: 2010
Microsoft PowerPoint: 2007, 2010, 2013 RT Service Pack 1, 2013
Microsoft Excel: 2007, 2010, 2013 RT Service Pack 1, 2013
External links
https://technet.microsoft.com/en-us/library/security/ms15-081.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.
