GitLab CVE-2023-4522 affects versions before 16.2.0. Committing directories with LF characters triggers 500 errors. Learn how to mitigate this vulnerability.
An issue has been discovered in GitLab affecting all versions before 16.2.0. Committing directories containing LF character results in 500 errors when viewing the commit.
Understanding CVE-2023-4522
This CVE pertains to an improper neutralization of special elements in GitLab, which can lead to 500 errors when viewing commits in affected versions.
What is CVE-2023-4522?
CVE-2023-4522 is a vulnerability in GitLab where committing directories containing LF character results in 500 errors during commit viewing in versions before 16.2.0.
The Impact of CVE-2023-4522
The impact of this vulnerability is classified as medium severity, with a base score of 4.3. It can lead to availability issues in affected systems.
Technical Details of CVE-2023-4522
This vulnerability is classified under CWE-138: Improper Neutralization of Special Elements. The CVE entry specifies the affected vendor, product, repository, and version range.
Vulnerability Description
The vulnerability allows attackers to cause 500 errors by committing directories with LF character, affecting the viewing of commits in GitLab.
Affected Systems and Versions
All versions of GitLab before 16.2.0 are affected by CVE-2023-4522.
Exploitation Mechanism
Exploiting this vulnerability involves committing directories with LF character, triggering 500 errors during commit viewing in impacted versions.
Mitigation and Prevention
To mitigate CVE-2023-4522, it is recommended to upgrade GitLab to versions 16.2.0 or above.
Immediate Steps to Take
Users should upgrade their GitLab installations to version 16.2.0 or later to prevent the exploitation of this vulnerability.
Long-Term Security Practices
Regularly updating software and maintaining a strong cybersecurity posture can help prevent and mitigate potential vulnerabilities like CVE-2023-4522.
Patching and Updates
Ensuring timely patching and updating of software, especially when security advisories are released, is crucial to staying protected against known vulnerabilities.