PT-2014-02: XML External Entities Resolution vulnerability in Nixu Namesurfer

Vulnerable software

Nixu Namesurfer
Version: 7.2.2 and earlier

Link:
<http://www.nixusoftware.com/our_products_ipam.html&gt;

Severity level

Severity level: Medium
Impact: Internal Network Resources and File System Access, Denial of Service
Access Vector: Remote

CVSS v2:
Base Score: 4.9
Vector: (AV:N/AC:M/Au:S/C:P/I:N/A:P)

CVE: not assigned

Software description

Nixu Namesurfer implements a unified system for manageming DNS servers via web interface.

Vulnerability description

The specialists of the Positive Research center have detected an XML External Entities Resolution vulnerability in Nixu Namesurfer.

The vulnerability allows an attacker to inject a malicious code into a page generated by the web-based system. This code will be executed on the victim’s computer when he/she opens this page. At that, the malicious code will interact with the attacker’s web server.

How to fix

Update your sofware up to the latest version

Advisory status

16.01.2014 - Vendor gets vulnerability details
14.03.2014 - Vendor releases fixed version and details
27.03.2014 - Public disclosure

Credits

The vulnerability was detected by Alexey Osipov, Alexander Tlyapov, and Valentin Shilnenkov, Positive Research Center (Positive Technologies Company)

References

<http://en.securitylab.ru/lab/PT-2014-02&gt;

Reports on the vulnerabilities previously discovered by Positive Research:

<http://www.ptsecurity.com/research/advisory/&gt;
<http://en.securitylab.ru/lab/&gt;