#VU6292 Improper input validation in Microsoft Outlook and Microsoft Office


Published: 2017-04-12

Vulnerability identifier: #VU6292

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-0204

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

Description
The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to improper input validation when parsing malicious files in Microsoft Outlook. A remote unauthenticated attacker can create a specially crafted Word or RTF file, trick the victim into opening it and bypass certain security restrictions.



Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Outlook:

Microsoft Office: 2013, 2010, 2007


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0204


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