Improper authentication in oauth-ruby - CVE-2016-11086
Published: May 1, 2025
Vulnerability identifier: #VU108112
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-11086
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: oauth-xx
Affected software:
oauth-ruby
oauth-ruby
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when validation X.509 certificates in lib/oauth/consumer.rb. The library skips certificate check if the certificate bundle cannot be found on the file system. A remote attacker can bypass authentication based on X.509 certificates using a self-signed certificate.
How to mitigate CVE-2016-11086
Install updates from vendor's website.