CVE-2020-11506 Explained : Impact and Mitigation
Discover the impact of CVE-2020-11506 affecting GitLab versions 10.7.0 through 12.9.2. Learn about the vulnerability, affected systems, exploitation mechanism, and mitigation steps.
An issue was discovered in GitLab 10.7.0 and later through 12.9.2 that could lead to job artifact uploads and file disclosure via request smuggling.
Understanding CVE-2020-11506
What is CVE-2020-11506?
This CVE identifies a vulnerability in GitLab versions 10.7.0 through 12.9.2 that allows a Workhorse bypass leading to potential job artifact uploads and file disclosure through request smuggling.
The Impact of CVE-2020-11506
The vulnerability could result in the exposure of sensitive information, potentially compromising the confidentiality of job artifacts and files within affected GitLab instances.
Technical Details of CVE-2020-11506
Vulnerability Description
The issue in GitLab versions 10.7.0 through 12.9.2 allows for a Workhorse bypass, enabling malicious actors to upload job artifacts and disclose files through request smuggling.
Affected Systems and Versions
- Product: GitLab
- Versions: 10.7.0 through 12.9.2
Exploitation Mechanism
The vulnerability can be exploited through request smuggling, bypassing Workhorse protections and leading to unauthorized job artifact uploads and file disclosure.
Mitigation and Prevention
Immediate Steps to Take
- Update GitLab to a patched version that addresses CVE-2020-11506.
- Monitor for any unauthorized file disclosures or job artifact uploads.
Long-Term Security Practices
- Regularly update and patch GitLab installations to mitigate potential vulnerabilities.
- Implement network security measures to detect and prevent request smuggling attacks.
Patching and Updates
Ensure timely application of security patches and updates provided by GitLab to address CVE-2020-11506.