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Security Advisories: GSA_kwCzR0hTQS00aHBxLXJqY3gtN3ZqOc0Vtw
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).
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS00aHBxLXJqY3gtN3ZqOc0Vtw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 3 years ago
Updated: about 1 year ago
CVSS Score: 7.6
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Identifiers: GHSA-4hpq-rjcx-7vj9, CVE-2021-23435
References:
- https://nvd.nist.gov/vuln/detail/CVE-2021-23435
- https://github.com/thoughtbot/clearance/pull/945
- https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284
- https://github.com/advisories/GHSA-4hpq-rjcx-7vj9
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/clearance/CVE-2021-23435.yml
Blast Radius: 22.7
Affected Packages
rubygems:clearance
Dependent packages: 11Dependent repositories: 983
Downloads: 1,734,059 total
Affected Version Ranges: < 2.5.0
Fixed in: 2.5.0
All affected versions: 0.8.2, 0.8.3, 0.8.4, 0.8.5, 0.8.6, 0.8.7, 0.8.8, 0.9.1, 0.10.0, 0.10.1, 0.10.2, 0.10.4, 0.10.5, 0.11.0, 0.11.1, 0.11.2, 0.12.0, 0.13.0, 0.13.2, 0.14.0, 0.15.0, 0.16.0, 0.16.1, 0.16.2, 0.16.3, 1.0.0, 1.0.1, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.5.0, 1.5.1, 1.6.0, 1.6.1, 1.7.0, 1.8.0, 1.8.1, 1.9.0, 1.10.1, 1.11.0, 1.12.0, 1.12.1, 1.13.0, 1.14.0, 1.14.1, 1.14.2, 1.15.0, 1.15.1, 1.16.0, 1.16.1, 1.16.2, 1.17.0, 2.0.0, 2.1.0, 2.2.0, 2.2.1, 2.3.0, 2.3.1, 2.4.0
All unaffected versions: 2.5.0, 2.6.0, 2.6.1, 2.6.2, 2.7.0, 2.7.1, 2.7.2, 2.8.0, 2.9.0, 2.9.1, 2.9.2