CVE-2023-49804 : Exploit Details and Defense Strategies
Learn about CVE-2023-49804 impacting Uptime Kuma versions < 1.23.9. Unauthorized access to user accounts poses high risks. Update to version 1.23.9 for security.
Uptime Kuma Password Change Vulnerability allows unauthorized access to user accounts, compromising sensitive information security.
Understanding CVE-2023-49804
Uptime Kuma is an easy-to-use self-hosted monitoring tool. The vulnerability arises prior to version 1.23.9, enabling previously logged-in users to retain access without logging out after changing their password.
What is CVE-2023-49804?
When a user changes their login password in Uptime Kuma before version 1.23.9, the vulnerability allows them to retain access without being logged out, leading to unauthorized access to user accounts.
The Impact of CVE-2023-49804
This vulnerability compromises the security of sensitive information as it allows unauthorized access to user accounts, posing a serious threat to data confidentiality and integrity.
Technical Details of CVE-2023-49804
The vulnerability is described as a session fixation flaw (CWE-384). The CVSS score for CVE-2023-49804 is 6.7, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability.
Vulnerability Description
Prior to version 1.23.9, Uptime Kuma allows previously logged-in users to retain access without logging out after changing their password, leading to unauthorized access.
Affected Systems and Versions
The vulnerability affects Uptime Kuma versions earlier than 1.23.9. Specifically, versions less than 1.23.9 are vulnerable to this issue.
Exploitation Mechanism
Unauthorized access can be gained by users who change their passwords in affected versions, allowing persistent access even after system or browser restarts.
Mitigation and Prevention
To address the risks associated with CVE-2023-49804, it is crucial to take immediate action and implement long-term security practices to enhance system protection.
Immediate Steps to Take
Maintainers of Uptime Kuma have released version 1.23.9, which fixes the session fixation vulnerability. It is recommended to update to this version promptly to mitigate the risk of unauthorized access.
Long-Term Security Practices
Regularly updating software and monitoring for security advisories can help prevent similar vulnerabilities. Implementing strong password policies and user access controls is essential for overall system security.
Patching and Updates
Ensure that all systems running Uptime Kuma are updated to version 1.23.9 or later to address the vulnerability and enhance overall security posture.