Microsoft Office Security Feature Bypass Vulnerability



Published: 2017-04-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0204
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Microsoft Outlook
Client/Desktop applications / Office applications

Microsoft Office
Client/Desktop applications / Office applications

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU6292

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 - Improper input validation

Exploit availability: No

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 updates from Microsoft website.

Vulnerable software versions

Microsoft Outlook: 2007 - 2016

Microsoft Office: 2007 - 2016

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.

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.



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