CVE-2023-41813 in Pandora FMS
Summary
by MITRE • 12/29/2023
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Pandora FMS on all allows Cross-Site Scripting (XSS). Allows you to edit the Web Console user notification options. This issue affects Pandora FMS: from 700 through 774.
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Analysis
by VulDB Data Team • 01/21/2024
The CVE-2023-41813 vulnerability represents a critical cross-site scripting flaw in Pandora FMS versions ranging from 700 through 774, specifically impacting the web console user notification options functionality. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is a prevalent and dangerous class of web application security flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The issue manifests when the application fails to properly sanitize user input during web page generation processes, creating an exploitable condition where malicious code can be executed in the context of a victim's browser session.
The technical exploitation of this vulnerability occurs within the Pandora FMS web console interface where users can configure notification options. When an attacker crafts malicious input containing script code within the notification configuration parameters, the application does not adequately neutralize this input before rendering it in the web page. This improper input handling allows the injected scripts to execute in the browser of any user who views the affected notification settings, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The vulnerability specifically targets the web console's user notification management functionality, making it particularly dangerous for administrators who frequently access these settings.
The operational impact of CVE-2023-41813 extends beyond simple script injection, as it represents a significant threat to the overall security posture of organizations relying on Pandora FMS for network monitoring and management. Attackers can leverage this vulnerability to escalate privileges, gain unauthorized access to sensitive monitoring data, or establish persistent access points within the network infrastructure. The vulnerability's presence in all versions from 700 through 774 indicates a widespread exposure across the product's release cycle, potentially affecting numerous organizations that have not yet updated to patched versions. This flaw directly violates the principle of least privilege and can be exploited through various attack vectors including social engineering, where administrators might be tricked into clicking malicious links or viewing compromised notification settings.
Organizations affected by this vulnerability should immediately implement mitigations including applying the latest security patches from Pandora FMS vendors, implementing web application firewalls to detect and block malicious script payloads, and conducting comprehensive security assessments of their monitoring infrastructure. The ATT&CK framework categorizes this vulnerability under T1059.007 for Scripting and T1566.001 for Spearphishing Attachment, highlighting the multi-stage attack approach possible through such XSS flaws. Additional defensive measures should include input validation and output encoding mechanisms, regular security training for administrators, and implementing content security policies to prevent unauthorized script execution. The vulnerability demonstrates the critical importance of proper input sanitization in web applications and serves as a reminder of the necessity for continuous security monitoring and timely patch management across all enterprise systems.