Vulnerability identifier: #VU6295

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-0207

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to improper HTML tag input validation when parsing malicious files in Microsoft Outlook for Mac. A remote unauthenticated attacker can create a specially crafted email with specific HTML tags, trick the victim into opening it, perform spoofing attack and access authentication information or login credentials.

Successful exploitation of the vulnerability results in information disclosure.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Office for Mac: 2011

Microsoft Outlook for Mac: 2011

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0207

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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.