An issue was discovered in GitLab CE/EE affecting all versions starting from 15.8 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1 prior to 17.1.1, which allows an attacker to trigger a pipeline as another user under certain circumstances. This vulnerability has been classified as critical with a CVSS score of 9.6, indicating a severe risk to users of the affected GitLab versions.
Risk to organizations includes unauthorized access to sensitive operations and potential data breaches. Attackers may leverage this vulnerability to execute actions disguised as legitimate users, leading to significant security ramifications.
Given the critical nature of this vulnerability, organizations should prioritize patching immediately. The urgency stems from the low attack complexity and the potential for exploitation over the network without user interaction.
As of the latest updates, there are no known exploits in the wild, but the nature of this vulnerability suggests that timely remediation is essential to prevent future exploitation.
Vulnerability Details
The vulnerability in GitLab is classified as a privilege escalation issue (CWE-284). The CVSS score of 9.6 indicates a critical severity level, with a high impact on confidentiality and integrity. The vulnerability affects GitLab CE/EE versions starting from 15.8 and includes subsequent versions up to 17.1.1.
The vulnerability was published on June 27, 2024, and has been marked as modified since its initial disclosure. This indicates ongoing adjustments to the vulnerability's description and remediation guidance.
Technical Analysis
The root cause of this vulnerability stems from improper access control mechanisms within GitLab that allow an attacker to trigger a pipeline as another user. The attack vector is network-based, requiring low complexity and privileges, with no user interaction necessary.
The confidentiality and integrity impacts are rated high, with no availability impact identified. This indicates that while the availability of the service remains unaffected, the data integrity and user confidentiality are at significant risk.
Risk & Impact Analysis
Organizations utilizing affected versions of GitLab face substantial risks, including unauthorized access to critical pipeline functionality and the potential for sensitive data exposure. The blast radius for this vulnerability is significant, as it can impact multiple users and their associated data.
Urgency assessment based on the CVSS score indicates that organizations should prioritize immediate patching to mitigate the risk. The potential for exploitation, combined with the impact on user confidentiality and integrity, underscores the critical nature of this vulnerability.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of GitLab include all versions starting from 15.8 up to but not including 16.11.5, from 17.0 up to but not including 17.0.3, and the version 17.1.0 for both community and enterprise editions. Organizations must ensure they update their installations to the latest secure versions.
Mitigation & Remediation
Organizations should apply the latest patches from GitLab to mitigate this vulnerability. The specific versions to upgrade to are 16.11.5 or higher for versions starting from 15.8 and 17.0.3 or higher for versions starting from 17.0. Organizations can also consider implementing configuration hardening and network controls as interim measures.
For further validation of the effectiveness of remediation, organizations should engage in penetration testing to identify any remaining weaknesses in their security posture.
Detection Guidance
Organizations should monitor logs for unusual activity related to pipeline executions. Any anomalies in user permissions or unexpected triggers of pipelines should be investigated promptly to prevent unauthorized actions.
AppSecure Threat Intelligence Insight
This vulnerability underscores the importance of robust access controls within CI/CD pipelines. As organizations increasingly adopt DevOps practices, the potential for such vulnerabilities to be exploited grows. Security teams must ensure that they follow best practices in access management and regularly review their configurations.
Organizations can enhance their security posture by adopting a comprehensive penetration testing methodology to identify vulnerabilities before they can be exploited.
Additionally, organizations should consider continuous monitoring through continuous penetration testing to adapt to evolving threats effectively.
Finally, reviewing security policies and training for development teams on secure coding practices can help mitigate risks associated with similar vulnerabilities in the future.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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