#VU6292 Improper input validation in Microsoft Outlook and Microsoft Office - CVE-2017-0204

Vulnerability identifier: #VU6292

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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: 2007, 2010, 2013, 2016

Microsoft Office: 2007, 2010, 2013, 2016

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

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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.