Unsafe Command Line Parameter Passing Could Allow Information Disclosure
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2015-2423 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| 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 |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Input validation error
EUVDB-ID: #VU5291
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 - Improper input validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from Microsoft website.
Vulnerable software versionsMicrosoft Visio: 2007 - 2016
Microsoft Word: 2007 - 2016
Microsoft Office: 2010
Microsoft PowerPoint: 2007 - 2013
Microsoft Excel: 2007 - 2013
CPE2.3- cpe:2.3:a:microsoft:microsoft_visio:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:microsoft_word:*:*:*:*:*:microsoft_office:*:*
- cpe:2.3:a:microsoft:microsoft_word:2013_RT_Service_Pack_1:*:*:*:*:microsoft_office:*:*
- cpe:2.3:a:microsoft:microsoft_office:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:powerpoint:*:*:*:*:*:microsoft_office:*:*
- cpe:2.3:a:microsoft:microsoft_excel:*:*:*:*:*:microsoft_office:*:*
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.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
