CVE-2018-10553 : Security Advisory and Response
Discover the directory traversal vulnerability in Nagios XI 5.4.13 with CVE-2018-10553. Learn about the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability has been found in Nagios XI 5.4.13 that allows an authorized user to exploit directory traversal to access local files.
Understanding CVE-2018-10553
This CVE entry highlights a security flaw in Nagios XI 5.4.13 that enables a registered user to read local files using directory traversal techniques.
What is CVE-2018-10553?
This vulnerability in Nagios XI 5.4.13 allows an authorized user to access local files through directory traversal, particularly when specific URIs are used.
The Impact of CVE-2018-10553
The exploitation of this vulnerability can lead to unauthorized access to sensitive local files, potentially compromising the confidentiality and integrity of the system.
Technical Details of CVE-2018-10553
This section provides more technical insights into the CVE-2018-10553 vulnerability.
Vulnerability Description
The flaw in Nagios XI 5.4.13 permits a registered user to exploit directory traversal, enabling the reading of local files by manipulating specific URIs.
Affected Systems and Versions
- Affected Version: Nagios XI 5.4.13
- Systems: All systems running Nagios XI 5.4.13 are vulnerable to this exploit.
Exploitation Mechanism
The vulnerability can be exploited by an authorized user by manipulating URIs that start with specific substrings, such as index.php?xiwindow=./ and config/?xiwindow=../.
Mitigation and Prevention
To address and prevent the risks associated with CVE-2018-10553, consider the following steps:
Immediate Steps to Take
- Implement access controls to restrict unauthorized users from accessing sensitive files.
- Regularly monitor and review file access logs for any suspicious activities.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Keep systems and software up to date with the latest security patches and updates.
Patching and Updates
- Apply patches or updates provided by Nagios to fix the directory traversal vulnerability in Nagios XI 5.4.13.