CVE-2019-19629 : Exploit Details and Defense Strategies
Learn about CVE-2019-19629 affecting GitLab EE versions 10.5 to 12.5.3, exposing private code when transferring projects. Find mitigation steps and patching details.
GitLab EE versions 10.5 to 12.5.3, including 12.4.5 and 12.3.8, have a vulnerability where transferring a public project to a private group can expose private code through the Group Search API.
Understanding CVE-2019-19629
This CVE affects GitLab EE versions 10.5 to 12.5.3, including 12.4.5 and 12.3.8, potentially leading to the exposure of private code.
What is CVE-2019-19629?
This CVE refers to a security vulnerability in GitLab EE versions 10.5 through 12.5.3, 12.4.5, and 12.3.8. It involves the disclosure of private code when transferring a public project to a private group via the Group Search API integrated with Elasticsearch.
The Impact of CVE-2019-19629
The vulnerability can result in the exposure of private code to unauthorized users, compromising the confidentiality of sensitive information stored within GitLab projects.
Technical Details of CVE-2019-19629
GitLab EE versions 10.5 to 12.5.3, 12.4.5, and 12.3.8 are affected by this vulnerability.
Vulnerability Description
When transferring a public project to a private group, private code can be disclosed through the Group Search API integrated with Elasticsearch.
Affected Systems and Versions
- GitLab EE versions 10.5 to 12.5.3
- GitLab EE versions 12.4.5 and 12.3.8
Exploitation Mechanism
The exposure of private code occurs during the process of transferring a public project to a private group using the Group Search API.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade affected GitLab EE instances to a patched version that addresses the vulnerability.
- Review and adjust project permissions to limit access to sensitive code.
Long-Term Security Practices
- Regularly monitor and audit project access controls and permissions.
- Educate users on secure practices when handling sensitive code within GitLab.
Patching and Updates
- Apply security patches provided by GitLab to fix the vulnerability and enhance system security.