CVE-2014-7277 Stored Server XSS in ZyXEL SBG-3300 Security Gateway

2014-10-05T00:00:00
ID SECURITYVULNS:DOC:31126
Type securityvulns
Reporter Securityvulns
Modified 2014-10-05T00:00:00

Description

Vulnerability Title: Stored Server XSS in ZyXEL SBG-3300 Security Gateway

Date: 02/10/2014

CVE-ID: CVE-2014-7277

Product: ZyXEL SBG3300-N series

Vendor: www.zyxel.com

Affected Firmware: Latest version at the time of disclosure V1.00(AADY.4)C0 and below (tested)

Patch: Unpatched

Authored by: Mirko Casadei

Disclosure Timeline:

13/08/2014 Vendor Contact with Acknowledgment 13/09/2014 No response from Vendor after first contact 02/10/2014 Full Disclosure

Technical details:

The web interface of the Security Gateway is affected by a Stored Server XSS vulnerability in the main login page. Abusing the login 'welcome message' form, an attacker can inject the XSS in HTML code. Example of a working code: .. <span class="title_index">Welcome</span><br> <li id="loginMessage"><img src=x onerror=alert('XSS') /></li> ..

Remediation

The vulnerable form should sanitize input.