#VU23007 Input validation error in Ruby - CVE-2019-16201

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Main Vulnerability Database Vulnerabilities #VU23007

#VU23007 Input validation error in Ruby - CVE-2019-16201

Published: November 27, 2019


Vulnerability identifier: #VU23007
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-16201
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Ruby
Software vendor:
Ruby

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the WEBrick::HTTPAuth::DigestAuth in Ruby due to a regular expression issue. A remote attacker can send a specially crafted request to the application and perform a denial of service attack.


Remediation

Install updates from vendor's website.

External links