CVE-2020-26290 : What You Need to Know
Discover the critical security issues in XML encoding in Dex affecting versions prior to 2.27.0. Learn about the impact, technical details, and mitigation steps for CVE-2020-26290.
Dex is a federated OpenID Connect provider written in Go. The vulnerabilities impact users leveraging the SAML connector due to issues with XML encoding in the underlying Go library.
Understanding CVE-2020-26290
Dex before version 2.27.0 has critical vulnerabilities affecting users using the SAML connector.
What is CVE-2020-26290?
- Dex, an OpenID Connect provider, has vulnerabilities related to XML encoding before version 2.27.0.
- The vulnerabilities allow potential signature bypass due to issues with XML encoding.
The Impact of CVE-2020-26290
- CVSS Score: 9.3 (Critical)
- Attack Vector: Network
- Confidentiality Impact: High
- Integrity Impact: High
- Scope: Changed
- User Interaction: Required
- These vulnerabilities have been addressed in version 2.27.0.
Technical Details of CVE-2020-26290
Dive into the technical aspects of this CVE.
Vulnerability Description
- The vulnerabilities in Dex allow potential signature bypass due to XML encoding issues.
Affected Systems and Versions
- Product: Dex
- Vendor: dexidp
- Versions Affected: < 2.27.0
Exploitation Mechanism
- Attack Complexity: Low
- Privileges Required: None
- Attack Vector: Network
Mitigation and Prevention
Learn how to mitigate and prevent the vulnerabilities.
Immediate Steps to Take
- Upgrade Dex to version 2.27.0 or later to address the vulnerabilities.
- Monitor vendor security advisories for any further updates.
Long-Term Security Practices
- Regularly update and patch software to the latest versions.
- Implement secure coding practices to prevent similar vulnerabilities.
Patching and Updates
- Apply patches and updates provided by Dex to ensure ongoing security.