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certCERTVU:252294
HistoryFeb 03, 2014 - 12:00 a.m.

Mediatrix 4402 digital gateway web interface contains a cross-site scripting (XSS) vulnerability

2014-02-0300:00:00
www.kb.cert.org
28

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.003 Low

EPSS

Percentile

70.3%

Overview

Mediatrix’s web management interface for the 4402 digital gateway device with firmware version Dgw 1.1.13.186, and possibly earlier versions, contains a cross-site scripting (XSS) vulnerability. (CWE-79)

Description

CWE-79: Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)

Mediatrix’s web management interface for the 4402 digital gateway device with firmware version Dgw 1.1.13.186, and possibly earlier versions, contains a cross-site scripting (XSS) vulnerability. The reflected XSS is found in the login page’s vulnerable parameter “username”. The following is a proof-of-concept of the XSS vulnerability.

http://<<MediatrixWebInterfaceIP/Host>>/login.esp?r=system_info.esp&username=%22/%3E%3Cscript%3Ealert%281%29%3C/script%3E


Impact

A remote unauthenticated attacker may be able to execute arbitrary script in the context of the end-user’s browser session.


Solution

We are currently unaware of a practical solution to this problem. Please consider the following workaround.


Restrict access

As a general good security practice, only allow connections from trusted hosts and networks. Note that restricting access does not prevent XSS or CSRF attacks since the attack comes as an HTTP request from a legitimate user’s host. Restricting access would prevent an attacker from accessing the Mediatrix web interface using stolen credentials from a blocked network location.


Vendor Information

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media5 Corporation Affected

Notified: January 14, 2014 Updated: February 03, 2014

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

CVSS Metrics

Group Score Vector
Base 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
Temporal 3.3 E:U/RL:ND/RC:UC
Environmental 0.8 CDP:ND/TD:L/CR:ND/IR:ND/AR:ND

References

Acknowledgements

Thanks to Tudor Enache of Help AG Middle East for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

CVE IDs: CVE-2014-1612
Date Public: 2014-01-23 Date First Published:

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.003 Low

EPSS

Percentile

70.3%