Remote code execution in Microsoft Office

Published: 2017-04-09 14:00:03 | Updated: 2017-04-12 02:23:06
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVSSv2 8.1 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C)
CVSSv3 9.1 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE ID CVE-2017-0199
CWE ID CWE-20
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Microsoft Office
Microsoft Word
Vulnerable software versions Microsoft Office 2016
Microsoft Office 2013
Microsoft Office 2010
Microsoft Office 2007
Microsoft Word 2016
Microsoft Word 2013
Microsoft Word 2010
Microsoft Word 2007
Vendor URL Microsoft
Advisory type Public

Security Advisory

We are currently unaware of affected versions of Microsoft Office application. This bulletin will get updated once the information is confirmed.

1) Improper input validation

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker can create a specially crafted Word or RTF files containing Dridex botnet ID 7500, trick the victim into opening it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in compromise vulnerable system.

Note: the vulnerability is being actively exploited.

Remediation

Install update from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0199

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