Input validation error in Microsoft products - CVE-2019-0540

 

Input validation error in Microsoft products - CVE-2019-0540

Published: February 13, 2019


Vulnerability identifier: #VU17641
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-0540
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Office
Microsoft Word
Microsoft Excel
Microsoft Office Compatibility Pack
Microsoft PowerPoint

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a phishing attack.

The vulnerability exists due to insufficient validation of URLs when processing Microsoft Office files. A remote attacker can create a specially crafted file, trick the victim into opening it and entering credentials.

Successful exploitation of the vulnerability may allow an attacker to perform a phishing attack and gain access to sensitive information.


How to mitigate CVE-2019-0540

Install updates from vendor's website.

Sources