CVE-2021-23435 – clearance

Package

Manager: gem
Name: clearance
Vulnerable Version: >=0 <2.5.0

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00282 pctl0.51176

Details

Clearance Gem Open Redirect Vulnerability This affects the package clearance before 2.5.0. 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`).

Metadata

Created: 2021-09-13T20:05:09Z
Modified: 2023-08-25T20:56:57Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/09/GHSA-4hpq-rjcx-7vj9/GHSA-4hpq-rjcx-7vj9.json
CWE IDs: ["CWE-601"]
Alternative ID: GHSA-4hpq-rjcx-7vj9
Finding: F156
Auto approve: 1