Discover the impact of CVE-2023-35172 on NextCloud Server & Enterprise. Learn about the vulnerability, affected versions, exploitation, and mitigation steps.
This article delves into the details of CVE-2023-35172, a vulnerability affecting NextCloud Server and NextCloud Enterprise Server as described by GitHub_M.
Understanding CVE-2023-35172
This CVE highlights the issue where the password reset endpoint in NextCloud Server is not adequately protected against brute force attempts.
What is CVE-2023-35172?
NextCloud Server and NextCloud Enterprise Server versions 25.0.0 to 26.0.2, as well as various enterprise versions, are susceptible to password reset link brute-forcing, posing a severe security risk.
The Impact of CVE-2023-35172
The vulnerability allows attackers to perform brute force attacks on password reset links, potentially compromising user accounts and sensitive information. Systems without the appropriate patch are at high risk.
Technical Details of CVE-2023-35172
This section provides a deeper insight into the vulnerability.
Vulnerability Description
In affected versions, malicious actors can exploit the password reset mechanism through brute force, gaining unauthorized access to accounts and sensitive data.
Affected Systems and Versions
NextCloud Server and NextCloud Enterprise Server versions specified earlier are impacted by this vulnerability, with certain versions having no available patches.
Exploitation Mechanism
Attackers can utilize automated tools to launch brute force attacks on the password reset endpoint, exploiting the lack of protection to gain unauthorized access.
Mitigation and Prevention
To address CVE-2023-35172, immediate action and long-term security measures are necessary.
Immediate Steps to Take
Users are strongly advised to update NextCloud Server and NextCloud Enterprise Server to the patched versions to mitigate the vulnerability. Organizations should also monitor for any suspicious activities.
Long-Term Security Practices
Implementing strong password policies, multi-factor authentication, and regular security audits can enhance overall security posture to prevent similar vulnerabilities.
Patching and Updates
Regularly applying security updates provided by NextCloud is crucial to ensure that systems are protected against known vulnerabilities.