External risk intelligence

QNAP Photo Station Path Traversal Vulnerability

CVE advisoryKnown Exploit

CVE-2019-7194

A vulnerability in QNAP Photo Station permits remote attackers to access or modify system files, impacting data confidentiality and integrity. This presents a business risk due to potential unauthorized data access or system compromise. Organizations should update Photo Station to the latest version.

4Halo Surface Signal

Path Traversal

Qnap Photo Station

before 6.0.3before 5.7.10before 5.4.9before 5.2.11

External exposure likelihood

Halo Surface Signal score for CVE-2019-7194

Photo Station is a web-based application designed for managing and sharing media files on QNAP NAS devices. These devices are frequently exposed to the internet to enable remote access to media libraries, making the application a common, internet-facing service.

Horizon Alert

Summary of the vulnerability and why it matters

The vulnerability impacts QNAP Photo Station, a component used for managing and sharing media files on QNAP devices. This flaw permits remote attackers to access or alter system files. The potential impact includes unauthorized data access or modification, affecting the integrity and confidentiality of system files.

  • Vulnerable: QNAP Photo Station
  • Weakness: External control of file name or path
  • Impact: System file access or modification

Attack Path

How an attacker could exploit the issue

An attacker can exploit this vulnerability by sending specially crafted requests to the affected QNAP Photo Station application. This could allow the attacker to access or modify sensitive system files, potentially leading to unauthorized data access or system compromise. The vulnerability resides in how the application handles file names or paths, allowing for directory traversal.

  • External access to Photo Station required.
  • Attacker sends malicious request.
  • Files accessed or modified.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows attackers to access or modify system files on QNAP devices. The vulnerability is present in Photo Station, a component used for managing and sharing media files. Exploitation could lead to unauthorized access and modification of sensitive data, posing a significant business risk. Organizations should prioritize updating Photo Station to the latest versions as recommended by the vendor.

  • Likely attacker skill level: High.
  • Required access or conditions: Network access.
  • Business risk or urgency: High.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability allows remote attackers to access or modify system files on QNAP devices. The vendor recommends updating Photo Station to the latest version to address this issue. The risk is classified as external, meaning it can be exploited over a network.

  • Find affected QNAP Photo Station assets.
  • Reduce exposure or isolate affected systems.
  • Apply vendor updates and verify remediation.

Frequently asked questions

What is QNAP Photo Station and what does it do on QNAP devices?

QNAP Photo Station is a web-based application on QNAP NAS devices used for organizing, viewing, and sharing photos and videos. It enables users to manage their media libraries remotely through a browser interface.

What type of weakness does CVE-2019-7194 represent and what is its CWE?

CVE-2019-7194 is classified as an 'External control of file name or path' weakness, identified by CWE-22. This weakness occurs when software improperly processes user-supplied input for file names or paths.

How can CVE-2019-7194 be exploited, and what is the scope of impact?

Exploitation involves attackers sending specially crafted requests to the QNAP Photo Station application. This can allow them to access or modify system files, potentially leading to unauthorized data access or system compromise due to directory traversal.

What is the relevance of CVE-2019-7194, especially concerning Halo Surface Signal?

QNAP Photo Station is frequently internet-exposed for remote access, making it a common target. Halo classifies this CVE as 'Likely' exploitable externally due to its network attack vector (CVSS:3.1/AV:N).

What is the recommended action for affected QNAP Photo Station users?

The vendor strongly advises updating QNAP Photo Station to the latest available versions to fix this vulnerability. Organizations should identify affected assets, reduce exposure if possible, apply vendor updates, and verify that the remediation is successful.

References