CVE-2021-22244 : Exploit Details and Defense Strategies
Learn about CVE-2021-22244, an improper authorization vulnerability in GitLab affecting versions >=13.1 to <13.12.9, >=14.0 to <14.0.7, and >=14.1 to <14.1.2. Understand the impact, technical details, and mitigation strategies.
A detailed overview of CVE-2021-22244, an improper authorization vulnerability in GitLab affecting multiple versions.
Understanding CVE-2021-22244
This section will cover the impact, technical details, and mitigation strategies related to the CVE-2021-22244 vulnerability.
What is CVE-2021-22244?
The CVE-2021-22244 vulnerability is related to improper authorization in the vulnerability report feature in GitLab Enterprise Edition. This flaw affects all versions since 13.1, allowing a reporter to access vulnerability data.
The Impact of CVE-2021-22244
The impact of this vulnerability is rated as LOW severity with a base score of 3.1 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N). The attacker must have low privileges required for exploitation, but it poses a risk due to the ability to access sensitive vulnerability data.
Technical Details of CVE-2021-22244
In this section, we will dive deeper into the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability allows unauthorized access to vulnerability data through the GitLab vulnerability report feature. It stems from improper authorization controls.
Affected Systems and Versions
GitLab versions >=13.1 and <13.12.9, >=14.0 and <14.0.7, >=14.1 and <14.1.2 are impacted by this vulnerability.
Exploitation Mechanism
An attacker with low privileges can exploit this vulnerability over the network without user interaction, affecting confidentiality.
Mitigation and Prevention
This section will outline immediate steps to take and long-term security practices to mitigate the risks posed by CVE-2021-22244.
Immediate Steps to Take
Users are advised to update GitLab to the patched versions (13.12.9, 14.0.7, 14.1.2) or newer to eliminate this vulnerability. It is also recommended to review and restrict access to vulnerability data.
Long-Term Security Practices
Implement a strong access control mechanism, regularly update software, and conduct security audits to prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security updates from GitLab and apply patches promptly to address any new vulnerabilities.