CVE-2021-45330 : What You Need to Know
Learn about CVE-2021-45330, a critical vulnerability in Gitea that allows malicious users to exploit client-side cookies, potentially leading to unauthorized access and privilege escalation. Find out how to mitigate this issue.
An issue exists in Gitea through version 1.15.7, allowing a malicious user to gain privileges by exploiting client-side cookies.
Understanding CVE-2021-45330
What is CVE-2021-45330?
The CVE-2021-45330 vulnerability in Gitea up to version 1.15.7 enables attackers to retain valid sessions on the server due to unremoved client-side cookies.
The Impact of CVE-2021-45330
This vulnerability permits a malicious actor to acquire elevated privileges within Gitea, posing a significant security risk to affected users.
Technical Details of CVE-2021-45330
Vulnerability Description
The issue arises from the failure to delete client-side cookies, ensuring session validity on the server for potential misuse.
Affected Systems and Versions
- Product: Gitea
- Vendor: N/A
- Versions: Up to 1.15.7
Exploitation Mechanism
Attackers can leverage this flaw to maintain session persistence on the server, leading to unauthorized privileged access.
Mitigation and Prevention
Immediate Steps to Take
- Users should update Gitea to version 1.15.8 or newer to address this vulnerability.
- Monitor sessions actively for any unusual activities that may indicate unauthorized access.
Long-Term Security Practices
- Regularly review and enhance cookie management policies to ensure secure session handling.
- Implement multi-factor authentication to add an extra layer of defense against unauthorized access.
Patching and Updates
It is crucial to promptly apply vendor-provided patches and updates to safeguard systems against known vulnerabilities.