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).

CVSS v3 7.6 HIGH
CVSS v2.0 5.8 MEDIUM

7.6^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 05:51

Type	Values Removed	Values Added
References	~~() https://github.com/thoughtbot/clearance/pull/945 - Patch, Third Party Advisory~~	() https://github.com/thoughtbot/clearance/pull/945 - Patch, Third Party Advisory
References	~~() https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284 - Third Party Advisory~~	() https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284 - Third Party Advisory
CVSS	v2 : ~~5.8~~ v3 : ~~6.1~~	v2 : 5.8 v3 : 7.6

Information

Published : 2021-09-12 20:15

Updated : 2024-11-21 05:51

NVD link : CVE-2021-23435

Mitre link : CVE-2021-23435

CVE.ORG link : CVE-2021-23435

JSON object : View

Products Affected

thoughtbot

clearance

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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7.6 /10