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JavaScript : Cookie: broad domain

Classification

OWASP Top 10 2013
A2-Broken Authentication and Session Management
OWASP Mobile Top 10 2016
M2-Insecure Data Storage
OWASP Top 10 2017
A2-Broken AuthenticationA3-Sensitive Data Exposure
OWASP Top 10 2021
A2-Cryptographic FailuresA4-Insecure DesignA7-Identification and Authentication Failures
PCI DSS 4.0
6.2.4
HIPAA
§164.312 (e)(1)
CWE
CWE-1028

Overview

Cookie domain is set broadly. Broad domain (e.g., .example.com) is insecure, because in this case the vulnerability in one application could endanger other applications in the same domain.

Sensitive Data Exposure vulnerabilities take the third place in the “OWASP Top 10 2017” web-application vulnerabilities ranking.

References

  1. OWASP: Top 10 2017 A2-Broken Authentication
  2. OWASP: Top 10 2013-A2-Broken Authentication and Session Management
  3. OWASP: Top 10 2013-A5-Security Misconfiguration
  4. Origin Cookies: Session Integrity for Web Applications (pdf)
  5. CWE CATEGORY: OWASP Top Ten 2017 Category A2 - Broken Authentication
MEDIUM

DerScanner Severity Score

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See also

JavaScript

JavaScript : Null salt

JavaScript

JavaScript : Empty encryption key

JavaScript

JavaScript : Unsafe Azure access control