JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832 KNX Group Address backdoor

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability has been found in JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832 and classified as critical. Affected by this vulnerability is an unknown function of the component KNX Group Address. The manipulation with an unknown input leads to a backdoor vulnerability. The CWE definition for the vulnerability is CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 02/07/2017 by T. Weber with SEC Consult Vulnerability Lab as SEC Consult SA-20170207 :: Path Traversal, Backdoor accounts & KNX group address password bypass in JUNG Smart Visu server as confirmed mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. This vulnerability is known as CVE-2017-20084. The attack can be launched remotely. The successful exploitation requires a single authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1588.001 for this issue.

A public exploit has been developed by T. Weber 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 vulnerability was handled as a non-public zero-day exploit for at least 78 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.0.900 eliminates this vulnerability.

The entries VDB-96815 and VDB-96816 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (VulDB): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Backdoor
CWE: CWE-912
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: T. Weber
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

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: 🔍

Upgrade: Smart Visu Server 1.0.900

Timelineinfo

11/21/2016 🔍
02/07/2017 +78 days 🔍
02/07/2017 +0 days 🔍
02/13/2017 +6 days 🔍
06/19/2022 +1951 days 🔍
11/14/2022 +148 days 🔍

Sourcesinfo

Advisory: SEC Consult SA-20170207 :: Path Traversal, Backdoor accounts & KNX group address password bypass in JUNG Smart Visu server
Researcher: T. Weber
Organization: SEC Consult Vulnerability Lab
Status: Confirmed

CVE: CVE-2017-20084 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/13/2017 09:26 AM
Updated: 11/14/2022 07:33 AM
Changes: 02/13/2017 09:26 AM (50), 08/13/2020 04:06 PM (1), 06/19/2022 04:12 PM (2), 11/14/2022 07:27 AM (2), 11/14/2022 07:33 AM (28)
Complete: 🔍
Cache ID: 18:24C:40

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