KnowledgeView Editorial and Management application cross-site scripting vulnerability

Overview

KnowledgeView Editorial and Management application contains a reflected cross-site scripting (XSS) vulnerability (CWE-79).

Description

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

KnowledgeView Editorial and Management application contains a reflected cross-site scripting vulnerability that can allow an attacker to inject arbitrary HTML content (including script) via the vulnerable query string parameter username.

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Impact

A remote unauthenticated attacker can conduct a cross-site scripting attack, which may be used to result in information leakage, privilege escalation, and/or denial of service.

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Solution

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

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Restrict access

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

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Vendor Information

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Knowledgeview Affected

Notified: August 21, 2013 Updated: September 11, 2013

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	5	AV:N/AC:L/Au:N/C:N/I:P/A:N
Temporal	4	E:POC/RL:U/RC:UC
Environmental	3	CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

• <http://cwe.mitre.org/data/definitions/79.html&gt;
• <http://www.knowledgeview.co.uk/index.php&gt;

Acknowledgements

Thanks to Ali Hussein of Help AG Middle East for reporting this vulnerability.

This document was written by Adam Rauf.

Other Information

CVE IDs:	CVE-2013-3616
Date Public:	2013-09-23 Date First Published: