Learn about CVE-2023-3897 involving CAPTCHA bypass in On-premise SureMDM, allowing username enumeration. Impact, technical details, and mitigation strategies discussed.
This CVE-2023-3897 involves the bypassing of CAPTCHA and enumerating usernames via the password reset page in the On-premise SureMDM Solution on Windows deployment. It allows attackers to gather local user information through error messages.
Understanding CVE-2023-3897
This section delves into the details of the CVE-2023-3897 vulnerability, outlining its impact, technical description, affected systems, exploitation mechanism, and mitigation strategies.
What is CVE-2023-3897?
The CVE-2023-3897 vulnerability enables username enumeration by exploiting a flaw in the CAPTCHA mechanism in the On-premise SureMDM Solution. Attackers can bypass CAPTCHA and gather usernames via the password reset page, leading to a security breach.
The Impact of CVE-2023-3897
The impact of CVE-2023-3897 is classified as moderate, with a CVSSv3.1 base score of 4.8 (medium severity). The vulnerability allows attackers to fuzz for adjacent user data, potentially compromising sensitive information stored on affected systems.
Technical Details of CVE-2023-3897
This section provides a deeper insight into the technical aspects of the CVE-2023-3897 vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability in the On-premise SureMDM Solution facilitates username enumeration through a bypass of CAPTCHA, enabling attackers to retrieve local user details via error messages. This flaw poses a security risk to Windows deployments running SureMDM versions 6.31 and below.
Affected Systems and Versions
The impacted system is the SureMDM On-premise solution, specifically version 6.31 and below. Organizations using these versions are susceptible to username enumeration attacks through the password reset page.
Exploitation Mechanism
By bypassing the CAPTCHA mechanism in On-premise SureMDM Solution, attackers can manipulate error messages to extract local user information. This exploitation method allows threat actors to gather usernames, potentially leading to further security breaches.
Mitigation and Prevention
In response to CVE-2023-3897, it is crucial for organizations to implement immediate remediation steps, adopt long-term security practices, and apply necessary patches and updates to secure their systems effectively.
Immediate Steps to Take
Organizations should upgrade to the latest version of the On-premise SureMDM Solution to mitigate the vulnerability and prevent username enumeration attacks. It is essential to promptly address this issue to enhance system security.
Long-Term Security Practices
In addition to applying software updates, organizations must prioritize security awareness training for personnel, implement robust access control measures, conduct regular security audits, and follow best practices to strengthen overall cybersecurity posture.
Patching and Updates
Regularly applying patches and updates provided by the vendor is critical to addressing security vulnerabilities like CVE-2023-3897. By staying current with software versions, organizations can protect their systems against potential threats and security breaches.