Privilege escalation in ASP.NET Core MVC - CVE-2018-0787
Published: March 13, 2018
Vulnerability identifier: #VU11028
CSH Severity: Low
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-0787
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists due to improper validation of web requests by a Kestrel web application. A remote attacker can send a specially crafted request, containing injected HTML, initiate a "password reset" email to the target user, trigger as soon as the target user opens the "password reset" e-mail and gain system privileges.
Affected software
ASP.NET Core MVC
How to mitigate CVE-2018-0787
Install updates from vendor's website.