External risk intelligence

PHPVibe Directory Traversal Allows Code Execution

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2024-39171

PHPVibe is a web-based content management system platform designed to host video and media content. Such applications are typically deployed as public-facing web services to be accessible to users over the internet.

Path Traversal

Phpvibe

11.0.3 to 11.0.46

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability in PHPVibe, a web-based platform for hosting video and media content, could allow attackers to execute code on affected systems. This issue stems from how the software handles file uploads and directory checks.

Code execution possible through file uploads.
Public-facing media platforms are common targets.
Confirm relevance and exposure of your PHPVibe instances.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this vulnerability by sending a specially crafted request to a publicly accessible PHPVibe instance. This request targets a flaw in how the application handles file uploads and directory validation, allowing the attacker to write arbitrary code to a file disguised as an image. Successful exploitation could lead to code execution on the server, potentially compromising the entire system.

No authentication required.
Uploading a malicious file.
Server-side code execution.

Live Threat

Current exploitation, exposure, and threat context

Directory traversal in PHPVibe could allow an unauthenticated attacker to write arbitrary code to the server, potentially leading to a full compromise of the affected system when the application is publicly accessible.

Arbitrary code execution.
Via specially crafted requests.
Full system compromise.

Operational Fix

Recommended remediation, mitigation, and detection steps

Directory traversal vulnerabilities in PHPVibe could allow unauthenticated attackers to execute code on the server by writing to specific files. The primary responsibility for managing and securing PHPVibe instances likely falls to the web application owners and the infrastructure or platform teams responsible for hosting the application. The first practical step is to identify all PHPVibe deployments, assess their exposure and criticality, and then prioritize remediation efforts based on risk.

Application owners should manage this issue.
Verify PHPVibe deployment reachability.
Plan remediation based on risk assessment.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is PHPVibe?

PHPVibe is a content management system (CMS) built to host and stream video and media content. Because it is designed for sharing media, it is typically hosted on web servers where users can easily access and interact with its library of files.

What does CVE-2024-39171 mean for PHPVibe?

This CVE involves a directory traversal weakness (CWE-22 and CWE-35). Essentially, the software fails to properly check file paths, allowing an attacker to bypass security filters. By crafting specific requests, they can save malicious code into files that the server might mistakenly execute.

How does an attacker trigger this vulnerability?

An attacker triggers this by sending a crafted request that exploits how the application handles file uploads. The process does not require authentication or special user privileges. It is not triggered by standard, legitimate media uploads; it requires sending specific, malformed instructions that manipulate the directory pathing logic.

Do I need to worry about this if my PHPVibe instance is internal?

According to Halo Surface Signal, PHPVibe is usually deployed as a public-facing web service to make content accessible over the internet. If your instance is truly internal and not accessible to the public, the risk is lower; however, any system accessible to unauthorized users remains a concern that should be addressed.

What are the first steps to take if I run PHPVibe?

First, create a complete inventory to identify all active PHPVibe installations in your environment. Once you have a clear list, verify which instances are exposed to the internet. Prioritize these public-facing systems for review and remediation based on the sensitivity of the data they handle.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.