BT Wi-Fi Extender 1200 /cgi-bin/webproc Reflected cross site scripting

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.2	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in BT Wi-Fi Extender 300, Wi-Fi Extender 600 and Wi-Fi Extender 1200. This vulnerability affects unknown code of the file /cgi-bin/webproc. Executing a manipulation can lead to cross site scripting (Reflected). The attack may be launched remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in BT Wi-Fi Extender 300, Wi-Fi Extender 600 and Wi-Fi Extender 1200 (the affected version unknown). This vulnerability affects an unknown part of the file /cgi-bin/webproc. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity.

The weakness was shared 09/22/2016 by Jamie Riden as confirmed mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. The vendor cooperated in the coordination of the public release. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed by Jamie Riden in URL/Javascript and been published immediately after the advisory. It is possible to download the exploit at seclists.org. It is declared as proof-of-concept. The code used by the exploit is:

/cgi-bin/webproc?%3Asessionid=deadbeef&obj-action=auth&%3Aaction=login&errorpage=html%2Fmain.html&getpage=html/index.html&var:menu=advanced&var:page=conntorouter&var%3Amenu=setup19497%22%3bsetTimeout(function(){alert(%22If%20you%20see%20stuff%20here,%20patch%21%20%22%2bG_arrClient)%3b},1000)%3bvar+foo%3d%22&var%3Asubpage=-

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Jamie Riden
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

09/22/2016 🔍
09/22/2016 +0 days 🔍
09/23/2016 +1 days 🔍
04/23/2019 +942 days 🔍

Sourcesinfo

Advisory: seclists.org
Researcher: Jamie Riden
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-91864
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/23/2016 09:16
Updated: 04/23/2019 22:54
Changes: 09/23/2016 09:16 (47), 04/23/2019 22:54 (1)
Complete: 🔍
Cache ID: 216::103