CVE-2019-15585 : What You Need to Know

A vulnerability in GitLab versions prior to 12.3.2, 12.2.6, and 12.1.12 allows unauthorized users to take control of accounts through the GitLab SAML integration.

Understanding CVE-2019-15585

This CVE involves an improper authentication issue in GitLab CE/EE versions before 12.3.2, 12.2.6, and 12.1.12, impacting both Community Edition (CE) and Enterprise Edition (EE).

What is CVE-2019-15585?

This vulnerability pertains to a flaw in the GitLab SAML integration that enables unauthorized individuals to gain control over other users' accounts.

The Impact of CVE-2019-15585

The vulnerability poses a significant security risk as it allows attackers to compromise user accounts and potentially access sensitive information or perform unauthorized actions within the affected GitLab instances.

Technical Details of CVE-2019-15585

GitLab versions before 12.3.2, 12.2.6, and 12.1.12 are susceptible to this authentication vulnerability.

Vulnerability Description

The flaw in the GitLab SAML integration permits unauthorized users to exploit the authentication mechanism, leading to account takeovers.

Affected Systems and Versions

Product: GitLab CE/EE
Vendor: GitLab
Vulnerable Versions:
Before 12.3.2
Before 12.2.6
Before 12.1.12

Exploitation Mechanism

Unauthorized users can leverage the vulnerability in the GitLab SAML integration to gain control over other users' accounts, compromising the security and integrity of the affected systems.

Mitigation and Prevention

Taking immediate action and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-15585.

Immediate Steps to Take

Upgrade GitLab to version 12.3.2 or newer to eliminate the vulnerability.
Monitor user accounts for any suspicious activity that may indicate unauthorized access.

Long-Term Security Practices

Regularly review and update authentication mechanisms to prevent similar vulnerabilities.
Educate users on secure authentication practices and the importance of safeguarding their credentials.

Patching and Updates

Apply security patches promptly to ensure that known vulnerabilities are addressed and system security is maintained.