VDB-90412 · CVE-2016-5667 · BID 92211

Crestron DM-TXRX-100-STR up to 1.3039 index.html direct request

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.
9.4	$0-$5k	0.00

A vulnerability was found in Crestron DM-TXRX-100-STR up to 1.3039. It has been declared as very critical. This vulnerability affects an unknown function of the file index.html. The manipulation with an unknown input leads to a direct request vulnerability. The CWE definition for the vulnerability is CWE-425. The web application does not adequately enforce appropriate authorization on all restricted URLs, scripts, or files. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Crestron Electronics DM-TXRX-100-STR devices with firmware before 1.3039.00040 allow remote attackers to bypass authentication via a direct request to a page other than index.html.

The weakness was disclosed 08/03/2016 by Carsten Eiram (Website). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2016-5667 since 06/16/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/16/2019). The MITRE ATT&CK project declares the attack technique as T1006.

By approaching the search of inurl:index.html it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.3039.00040 eliminates this vulnerability.

The entries 90411, 90413, 90414 and 90415 are pretty similar.

Productinfo

Vendor

Crestron

Name

DM-TXRX-100-STR

Version

1.3039

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Direct request
CWE: CWE-425
ATT&CK: T1006

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: DM-TXRX-100-STR 1.3039.00040

Timelineinfo

06/16/2016 🔍
08/01/2016 +46 days 🔍
08/02/2016 +1 days 🔍
08/03/2016 +1 days 🔍
08/03/2016 +0 days 🔍
03/16/2019 +955 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Researcher: Carsten Eiram
Status: Not defined

CVE: CVE-2016-5667 (🔍)
SecurityFocus: 92211 - Crestron Electronics DM-TXRX-100-STR Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/03/2016 10:05
Updated: 03/16/2019 13:16
Changes: 08/03/2016 10:05 (51), 03/16/2019 13:16 (13)
Complete: 🔍