Security restrictions bypass in ASP.NET Core MVC - CVE-2018-0786

 

Security restrictions bypass in ASP.NET Core MVC - CVE-2018-0786

Published: January 9, 2018


Vulnerability identifier: #VU9899
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0786
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
ASP.NET Core MVC

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to improper validation of certificates by Microsoft .NET Framework (and .NET Core) components. A remote attacker can supply an invalid certificate and disregard the Enhanced Key Usage taggings.

How to mitigate CVE-2018-0786

Install update from vendor's website.

Sources