Remote code execution in Microsoft Word

Published: 2019-05-15 20:24:11 | Updated: 2019-05-15
Severity High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-0953
CVSSv3 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CWE ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software Microsoft Office for Mac
Microsoft Word
Office Online Server
Microsoft Office
Vulnerable software versions Microsoft Office for Mac 2016
Microsoft Word 2016
Office Online Server 2016
Microsoft Office 2019
Microsoft Office 365 ProPlus
Microsoft Office 2019 for Mac
Vendor URL Microsoft

Security Advisory

1) Buffer overflow

Description

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

The vulnerability exists due to a boundary error when processing Microsoft Word files. A remote attacker can create a specially crafted Word document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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

Remediation

Install update from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0953

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