CVE-2021-23435

CVSS V2 Medium 5.8 CVSS V3 Medium 6.1
Description
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).
Overview
  • CVE ID
  • CVE-2021-23435
  • Assigner
  • report@snyk.io
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-12T20:15:07
  • Last Modified Date
  • 2021-09-23T17:33:28
Weakness Enumerations
CWE URL
CWE-601 http://cwe.mitre.org/data/definitions/601.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:thoughtbot:clearance:*:*:*:*:*:*:*:* 1 OR 2.5.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284 Third Party Advisory
https://github.com/thoughtbot/clearance/pull/945 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-23435
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23435
History
Created Old Value New Value Data Type Notes
2022-05-10 06:53:40 Added to TrackCVE
2022-12-05 10:23:34 2021-09-12T20:15Z 2021-09-12T20:15:07 CVE Published Date updated
2022-12-05 10:23:34 2021-09-23T17:33:28 CVE Modified Date updated
2022-12-05 10:23:34 Analyzed Vulnerability Status updated