Input validation error in Reactor Netty - CVE-2020-5403

 

Input validation error in Reactor Netty - CVE-2020-5403

Published: March 4, 2020


Vulnerability identifier: #VU25771
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-5403
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Pivotal
Affected software:
Reactor Netty

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the affected software is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2020-5403

Install updates from vendor's website.

Sources