Advisory details:
ruby_advisory_db / gems/actionview/CVE-2020-8167
| Advisory ID | ruby_advisory_db/gems/actionview/CVE-2020-8167 |
| Aliases |
CVE-2020-8167
GHSA-xq5j-gw7f-jgj8 |
| Summary | CSRF Vulnerability in rails-ujs There is an vulnerability in rails-ujs that allows attackers to send CSRF tokens to wrong domains. Versions Affected: rails <= 6.0.3 Not affected: Applications which don't use rails-ujs. Fixed Versions: rails >= 5.2.4.3, rails >= 6.0.3.1 Impact ------ This is a regression of CVE-2015-1840. In the scenario where an attacker might be able to control the href attribute of an anchor tag or the action attribute of a form tag that will trigger a POST action, the attacker can set the href or action to a cross-origin URL, and the CSRF token will be sent. Workarounds ----------- To work around this problem, change code that allows users to control the href attribute of an anchor tag or the action attribute of a form tag to filter the user parameters. For example, code like this: link_to params to code like this: link_to filtered_params def filtered_params # Filter just the parameters that you trust end |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 0.0 |
| Risk | |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| There are no known CWE. |
| System | Score | Found at |
|---|---|---|
| cvssv3 | 6.5 |
| Reference id | Reference type | URL |
|---|---|---|
| https://groups.google.com/forum/#!topic/rubyonrails-security/x9DixQDG9a0 |
No exploits are available.
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
There are no known vectors.
There are no SSVC decisions available.