CVE Vulnerability

CVE-2021-23435

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).

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284 Third Party Advisory
https://github.com/thoughtbot/clearance/pull/945 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:thoughtbot:clearance:*:*:*:*:*:*:*:*
Information

Published : 2021-09-12 08:15

Updated : 2021-09-23 05:33

NVD link : CVE-2021-23435

Mitre link : CVE-2021-23435

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')