Cross-site scripting in Ruby on Rails - CVE-2016-6316
Published: September 14, 2016 / Updated: September 22, 2017
Vulnerability identifier: #VU8575
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-6316
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Rails
Affected software:
Ruby on Rails
Ruby on Rails
Detailed vulnerability description
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in Action View in Ruby on Rails 3.x before 3.2.22.3, 4.x before 4.2.7.1, and 5.x before 5.0.0.1. A remote authenticated attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
How to mitigate CVE-2016-6316
The vendor has issued the following versions to address this vulnerability: 3.2.22.3, 4.2.7.1, 5.0.0.1.
Sources
- https://github.com/rails/rails/commit/8f544bc447612924a50c37ead085a0ea4c217439
- https://github.com/rails/rails/commit/d40e5f0033329f8269c97d9480749a92817a2968
- https://github.com/rails/rails/commit/f05af91c68debc0230c302aa9031a253f8786b87
- https://github.com/rails/rails/commit/2bcb88c9ce7d6fb1f158f54918eb7f936bd33ce9
- https://github.com/rails/rails/commit/4bcccf5ecd81a6272479537911b7d9760c5be164
- https://github.com/rails/rails/commit/5aabcf25caefbe84f656256a9d3e7fc0c9e14ecc
- https://github.com/rails/rails/commit/efd59ab38231eca1084e85aa990321599308757f