CVE-2020-15105 : What You Need to Know
Learn about CVE-2020-15105 where Django Two-Factor Authentication before 1.12 stores user passwords in clear text, posing a high confidentiality risk. Find out the impact, affected systems, and mitigation steps.
Django Two-Factor Authentication before version 1.12 has a vulnerability that allows user passwords to be stored in clear text in the Django session.
Understanding CVE-2020-15105
This CVE involves the insecure storage of user passwords in the Django session, potentially exposing sensitive information.
What is CVE-2020-15105?
Django Two-Factor Authentication prior to version 1.12 stores user passwords in clear text in the user session, posing a security risk.
The Impact of CVE-2020-15105
- Confidentiality Impact: High
- Integrity Impact: Low
- Base Score: 5.4 (Medium Severity)
- Attack Complexity: High
- Attack Vector: Network
- User Interaction: Required
Technical Details of CVE-2020-15105
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability allows user passwords to be stored in clear text in the Django session, potentially leading to unauthorized access to sensitive information.
Affected Systems and Versions
- Product: django-two-factor-auth
- Vendor: Bouke
- Versions Affected: < 1.12
Exploitation Mechanism
The password is stored in clear text in the session when the user submits their credentials, making it vulnerable to interception.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate action and long-term security measures.
Immediate Steps to Take
- Upgrade to version 1.12 or above to fix the issue.
- Delete any clear text passwords stored in the session.
Long-Term Security Practices
- Encourage users to change passwords on all affected sites.
- Consider switching Django's session storage to signed cookies for enhanced security.
Patching and Updates
Regularly update Django Two-Factor Authentication to the latest version to ensure security.