CVE-2019-18393 : Security Advisory and Response
Learn about CVE-2019-18393 affecting Ignite Realtime Openfire up to version 4.4.2. Understand the impact, technical details, and mitigation steps for this directory traversal vulnerability.
Ignite Realtime Openfire through version 4.4.2 is affected by a directory traversal vulnerability in the PluginServlet.java file. This vulnerability arises due to inadequate verification of retrieved files within the Openfire home directory.
Understanding CVE-2019-18393
This CVE identifies a security flaw in Ignite Realtime Openfire that could allow an attacker to traverse directories improperly.
What is CVE-2019-18393?
The vulnerability in PluginServlet.java in Ignite Realtime Openfire up to version 4.4.2 permits unauthorized directory traversal, potentially leading to unauthorized access to sensitive files.
The Impact of CVE-2019-18393
The exploitation of this vulnerability could result in unauthorized access to files outside the intended directory, potentially exposing sensitive information or compromising the system's integrity.
Technical Details of CVE-2019-18393
Ignite Realtime Openfire through version 4.4.2 is susceptible to a directory traversal vulnerability.
Vulnerability Description
The PluginServlet.java file in Ignite Realtime Openfire fails to adequately verify the location of retrieved files within the Openfire home directory, enabling an attacker to traverse directories.
Affected Systems and Versions
- Product: Ignite Realtime Openfire
- Versions affected: up to 4.4.2
Exploitation Mechanism
The vulnerability allows an attacker to manipulate file paths in a way that permits access to files outside the intended directory structure.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-18393.
Immediate Steps to Take
- Apply security patches provided by Ignite Realtime to address the vulnerability.
- Implement proper input validation to prevent directory traversal attacks.
Long-Term Security Practices
- Regularly update and patch software to protect against known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential security weaknesses.
Patching and Updates
Ensure that Ignite Realtime Openfire is updated to a version beyond 4.4.2 to mitigate the directory traversal vulnerability.