CVE-2019-12938 : Security Advisory and Response
Learn about CVE-2019-12938, a vulnerability in Analogic Poste.io 2.1.6 that allows unauthorized access to logs via the webmail/logs/sendmail URI when nginx is used as the server. Find mitigation steps and preventive measures here.
In Analogic Poste.io 2.1.6, the Roundcube module fails to secure the logs/ folder when nginx is used as the server, allowing unauthorized access to logs via the webmail/logs/sendmail URI.
Understanding CVE-2019-12938
What is CVE-2019-12938?
The vulnerability in Analogic Poste.io 2.1.6 exposes the logs/ folder to unauthorized access when nginx is the server, compromising the security of the system.
The Impact of CVE-2019-12938
The vulnerability enables attackers to gain unauthorized access to sensitive logs, potentially leading to data breaches and unauthorized information disclosure.
Technical Details of CVE-2019-12938
Vulnerability Description
The Roundcube component in Analogic Poste.io 2.1.6 uses .htaccess to protect the logs/ folder, which is ineffective when nginx is the server, allowing attackers to read logs via the webmail/logs/sendmail URI.
Affected Systems and Versions
- Product: Analogic Poste.io 2.1.6
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
Attackers exploit the webmail/logs/sendmail URI to bypass the ineffective security measure of the .htaccess file when nginx is used as the server.
Mitigation and Prevention
Immediate Steps to Take
- Disable access to the logs/ folder from external sources.
- Implement additional access controls and authentication mechanisms.
Long-Term Security Practices
- Regularly monitor and review server logs for any unauthorized access attempts.
- Keep server software and components updated to prevent known vulnerabilities.
Patching and Updates
Apply patches or updates provided by Analogic Poste.io to address the vulnerability and enhance server security.