GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.4 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed an authenticated user to cause denial of service by overwhelming system resources under certain conditions due to insufficient resource allocation limits in the GraphQL API. This vulnerability is classified as medium severity with a CVSS score of 6.5.
The potential risk to organizations includes the possibility of significant disruptions to service availability. Attackers may leverage this vulnerability to exhaust resources, resulting in downtime and impacting user experience. Organizations should prioritize patching immediately to mitigate this risk.
As of now, there are no known exploits in the wild for this vulnerability, but organizations must remain vigilant. Immediate action is required to ensure systems are updated and protected against potential exploitation.
Organizations should address this vulnerability in their priority patch cycle to prevent any adverse effects on system availability.
Vulnerability Details
The official CVE description indicates that GitLab has addressed an issue in GitLab CE/EE affecting specific versions due to insufficient resource allocation in the GraphQL API. The vulnerability is classified under CWE-770, indicating a resource exhaustion issue.
The CVSS score of 6.5 reflects a medium severity level, and the vulnerability is characterized by a low attack complexity and requires low privileges to exploit. The impact on availability is high, meaning that successful exploitation could lead to significant service disruption.
Technical Analysis
The root cause of this vulnerability lies in the insufficient resource allocation limits within the GraphQL API of GitLab. Attackers may send crafted requests that exhaust server resources, leading to a denial of service. The attack vector is network-based, and the complexity is low, as it requires only low privileges with no user interaction necessary.
Given that this vulnerability only impacts availability, it does not affect confidentiality or integrity. However, the potential for service disruption makes it critical for organizations to address this issue promptly.
Risk & Impact Analysis
The deployment risk associated with this vulnerability is notable, particularly for organizations that rely heavily on GitLab for their operations. The blast radius could affect all users of the impacted versions, potentially leading to widespread service outages.
Organizations should prioritize patching this vulnerability in their remediation efforts due to the potential high impact on availability. The urgency is underscored by the CVSS score which indicates a medium severity, requiring attention in the next patch cycle.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects GitLab CE/EE versions from 12.4 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1. Organizations must ensure that they are running a patched version to mitigate this vulnerability.
Mitigation & Remediation
To address this vulnerability, organizations should upgrade to the latest versions of GitLab, specifically 18.11.1, 18.10.4, and 18.9.6 or later. If immediate patching is not feasible, organizations should consider implementing resource allocation limits in their GraphQL API to prevent exploitation.
For enhanced security, organizations may also implement network controls to restrict access to the GraphQL API and monitor for unusual patterns that may indicate exploitation attempts.
Further recommendations include conducting a thorough security assessment and employing penetration testing to validate the effectiveness of implemented controls.
Detection Guidance
Organizations should monitor logs for indicators of attempted denial of service attacks, such as spikes in CPU or memory usage that correlate with unusual request patterns to the GraphQL API. Anomalous behavior, such as repeated requests from authenticated users, should also be carefully scrutinized.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-3922 highlights the importance of robust resource allocation strategies within APIs. Security teams should learn from this incident to implement effective controls that prevent resource exhaustion vulnerabilities.
Organizations are encouraged to stay updated with security trends and ensure that their systems are resilient against similar vulnerabilities through regular updates and continuous security testing. For more insights, organizations can reference our penetration testing methodology and best practices.
In conclusion, organizations should prioritize the remediation of this vulnerability to mitigate risks effectively. Staying informed and proactive is vital for maintaining security in an increasingly complex threat landscape.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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