JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832 SSH Server 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

Summaryinfo

A vulnerability was found in JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832. It has been declared as critical. Impacted is an unknown function of the component SSH Server. The manipulation results in backdoor. This vulnerability is identified as CVE-2017-20083. The attack is only possible with local access. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in JUNG Smart Visu Server 1.0.804/1.0.830/1.0.832. Affected is some unknown processing of the component SSH Server. The manipulation with an unknown input leads to a backdoor vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 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 for download at seclists.org. This vulnerability is traded as CVE-2017-20083. It is possible to launch the attack remotely. Required for exploitation is a authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1588.001.

A public exploit has been developed by T. Weber and been published immediately after the advisory. The exploit is shared for download 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.

Entries connected to this vulnerability are available at VDB-96815 and VDB-96817. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

AVACAuCIA
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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: 🔍

Physical: Partially
Local: Yes
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-2017-20083 (🔍)
GCVE (CVE): GCVE-0-2017-20083
GCVE (VulDB): GCVE-100-96816
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/13/2017 09:26
Updated: 11/14/2022 07:21
Changes: 02/13/2017 09:26 (50), 08/13/2020 15:51 (1), 06/19/2022 16:12 (2), 11/14/2022 07:16 (2), 11/14/2022 07:21 (28)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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