CVE-2024-13986: nagios xi Path Traversal — Exploit

Description

Nagios XI < 2024R1.3.2 contains a remote code execution vulnerability by chaining two flaws: an arbitrary file upload and a path traversal in the Core Config Snapshots interface. The issue arises from insufficient validation of file paths and extensions during MIB upload and snapshot rename operations. Exploitation results in the placement of attacker-controlled PHP files in a web-accessible directory, executed as the www-data user.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-22 Path Traversal

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
nagios	nagios_xi	< 2024
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All
nagios	nagios_xi	All

References

Exploits

https://theyhack.me/Nagios-XI-Authenticated-RCE https://theyhack.me/Nagios-XI-Authenticated-RCE/

Other References

https://www.nagios.com/changelog/nagios-xi/ https://www.nagios.com/products/security/#nagios-xi https://www.vulncheck.com/advisories/nagios-xi-authenticated-arbitrary-file-upload-path-traversal-rce

Frequently Asked Questions

What is CVE-2024-13986? +

Nagios XI < 2024R1.3.2 contains a remote code execution vulnerability by chaining two flaws: an arbitrary file upload and a path traversal in the Core Config Snapshots interface. The issue arises from insufficient validation of file paths and extensions during MIB upload and snapshot rename operations. Exploitation results in the placement of attacker-controlled PHP files in a web-accessible directory, executed as the www-data user. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-13986? +

CVE-2024-13986 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-13986? +

CVE-2024-13986 affects products from nagios, specifically: nagios_xi. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-13986? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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