CVE-2020-13274 : Exploit Details and Defense Strategies
Learn about CVE-2020-13274, a high-severity vulnerability in GitLab versions prior to 13.0.1 allowing Denial of Service attacks through memory exhaustion by uploading malicious artifacts.
A security issue in GitLab versions prior to 13.0.1 allowed for Denial of Service attacks through memory exhaustion by uploading malicious artifacts.
Understanding CVE-2020-13274
This CVE involves uncontrolled resource consumption in GitLab, impacting versions up to 13.0.1.
What is CVE-2020-13274?
The vulnerability enables attackers to conduct Denial of Service attacks by overloading memory with malicious uploads in GitLab versions before 13.0.1.
The Impact of CVE-2020-13274
- CVSS Base Score: 7.5 (High)
- Attack Vector: Network
- Availability Impact: High
- Attack Complexity: Low
- No Confidentiality or Integrity Impact
- No User Interaction or Privileges Required
Technical Details of CVE-2020-13274
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows for memory exhaustion leading to Denial of Service attacks through the upload of malicious artifacts.
Affected Systems and Versions
- GitLab versions prior to 12.9.8
- GitLab versions >=12.10, <12.10.7
- GitLab versions >=13.0, <13.0.1
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading specially crafted malicious artifacts to the affected GitLab instances.
Mitigation and Prevention
Protect your systems from CVE-2020-13274 with these mitigation strategies.
Immediate Steps to Take
- Update GitLab to version 13.0.1 or later to patch the vulnerability.
- Monitor system resources for unusual consumption that may indicate an attack.
Long-Term Security Practices
- Regularly update GitLab to the latest versions to ensure security patches are applied.
- Implement network monitoring to detect and prevent abnormal traffic patterns.
Patching and Updates
- Apply security patches promptly to mitigate the risk of exploitation.