Open redirect in ASP.NET Core MVC - CVE-2017-11879

 

Open redirect in ASP.NET Core MVC - CVE-2017-11879

Published: November 14, 2017


Vulnerability identifier: #VU9307
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-11879
CWE-ID: CWE-601
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 gain elevated privileges on the target system.

The vulnerability exists due to insufficient sanitization of untrusted input data when performing redirects to external websites. A remote attacker can create a specially crafted URL,  redirect users to the malicious websites and gain system privileges.

How to mitigate CVE-2017-11879

Install update from vendor's website.

Sources