QID 376258

Date Published: 2022-01-20

QID 376258: Ruby Gem Clearance Open Redirect Vulnerability

Affected versions of clearance are vulnerable to Open Redirect. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com).

Affected Versions:
Clearance versions prior to version 2.5.0 are vulnerable.

QID Detection Logic (Authenticated):
This QID checks for vulnerable version of Clearance installed

Successful exploitation of the vulnerability may allow an attacker to redirect a user to a malicious website of attacker's choosing.

CVSS V3 rated as High - 6.1 severity.

CVSS V2 rated as Medium - 5.8 severity.

Solution

Customers are advised to upgrade to Clearance version 2.5.0 or later. For more information, please refer to Clearance Release Notes

Vendor References

Clearance Release Notes - github.com/thoughtbot/clearance/releases/tag/v2.5.0

CVEs related to QID 376258

CVE-2021-23435 |

Software Advisories

Advisory ID	Software	Component	Link
NA			github.com/thoughtbot/clearance/releases/tag/v2.5.0

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