CVE-2019-20047 : Vulnerability Insights and Analysis
Learn about CVE-2019-20047 affecting Alcatel-Lucent OmniVista 4760 and 8770 devices. Find out how remote attackers can access encoded LDAP credentials and the steps to mitigate this vulnerability.
A vulnerability has been identified in Alcatel-Lucent OmniVista 4760 and 8770 devices prior to version 4.1.2, allowing remote attackers to access session files containing encoded LDAP credentials.
Understanding CVE-2019-20047
This CVE describes a security issue in Alcatel-Lucent OmniVista devices that could lead to unauthorized access to sensitive information.
What is CVE-2019-20047?
The vulnerability in Alcatel-Lucent OmniVista 4760 and 8770 devices allows remote attackers to view encoded administrative LDAP credentials stored in session files.
The Impact of CVE-2019-20047
The vulnerability could result in unauthorized access to sensitive information, potentially compromising the security of the affected devices.
Technical Details of CVE-2019-20047
This section provides detailed technical information about the CVE.
Vulnerability Description
The issue arises from an incorrect configuration of the web server, enabling remote unauthenticated attackers to access their session files containing encoded LDAP credentials.
Affected Systems and Versions
- Alcatel-Lucent OmniVista 4760 and 8770 devices before version 4.1.2
Exploitation Mechanism
Attackers can exploit the vulnerability by accessing the session files stored at /sessions/sess_<sessionid> to retrieve and decode the administrative LDAP credentials.
Mitigation and Prevention
Protecting systems from CVE-2019-20047 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update affected devices to version 4.1.2 or later to mitigate the vulnerability
- Monitor and restrict access to session files to prevent unauthorized retrieval of sensitive information
Long-Term Security Practices
- Regularly review and update web server configurations to ensure secure access controls
- Implement network segmentation and access controls to limit exposure of critical data
Patching and Updates
- Apply security patches provided by Alcatel-Lucent to address the vulnerability and enhance system security