CVE-2021-37348 : Security Advisory and Response
Learn about CVE-2021-37348, a vulnerability in Nagios XI versions prior to 5.8.5 allowing local file inclusion through index.php. Find mitigation steps and best practices here.
Nagios XI before version 5.8.5 is vulnerable to local file inclusion through improper limitation of a pathname in index.php.
Understanding CVE-2021-37348
This CVE identifies a security vulnerability in Nagios XI that could allow an attacker to exploit local file inclusion.
What is CVE-2021-37348?
CVE-2021-37348 refers to the specific vulnerability found in Nagios XI versions prior to 5.8.5, enabling unauthorized parties to access files through index.php due to inadequate pathname restrictions.
The Impact of CVE-2021-37348
The impact of this CVE could result in unauthorized access to sensitive files and data stored on the affected system, leading to potential data breaches and privacy violations.
Technical Details of CVE-2021-37348
This section delves into the technical aspects of the vulnerability, outlining the description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability stems from Nagios XI's failure to properly restrict pathnames in index.php, thereby permitting local file inclusion by malicious actors.
Affected Systems and Versions
All Nagios XI versions before 5.8.5 are susceptible to this security flaw, exposing them to exploitation via local file inclusion attacks.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating pathnames in the index.php file to gain unauthorized access to files and directories on the target system.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks posed by CVE-2021-37348 and safeguard your systems from potential exploitation.
Immediate Steps to Take
Users are advised to update Nagios XI to version 5.8.5 or above to eliminate the vulnerability and enhance system security.
Long-Term Security Practices
Incorporating robust access controls, regular security audits, and employee training on cybersecurity best practices can fortify defenses against similar threats.
Patching and Updates
Stay vigilant for security patches and updates released by Nagios to address vulnerabilities promptly and maintain a secure system environment.