Trihedral VTScada up to 11.2.25 resource consumption

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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Trihedral VTScada up to 11.2.25. This affects an unknown part. The manipulation leads to resource consumption. This vulnerability is documented as CVE-2017-6043. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Trihedral VTScada up to 11.2.25 (SCADA Software) and classified as problematic. This issue affects some unknown processing. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

A Resource Consumption issue was discovered in Trihedral VTScada Versions prior to 11.2.26. The client does not properly validate the input or limit the amount of resources that are utilized by an attacker, which can be used to consume more resources than are available.

The bug was discovered 06/13/2017. The weakness was released 06/21/2017 by Karn Ganeshen (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2017-6043 since 02/16/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 11.2.26 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99066†). Entries connected to this vulnerability are available at VDB-102732 and VDB-102734. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• SCADA Software

Vendor

• Trihedral

Name

• VTScada

Version

• 11.2.0
• 11.2.1
• 11.2.2
• 11.2.3
• 11.2.4
• 11.2.5
• 11.2.6
• 11.2.7
• 11.2.8
• 11.2.9
• 11.2.10
• 11.2.11
• 11.2.12
• 11.2.13
• 11.2.14
• 11.2.15
• 11.2.16
• 11.2.17
• 11.2.18
• 11.2.19
• 11.2.20
• 11.2.21
• 11.2.22
• 11.2.23
• 11.2.24
• 11.2.25

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 103145
OpenVAS Name: VTScada Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VTScada 11.2.26

Timelineinfo

02/16/2017 🔍
06/13/2017 +117 days 🔍
06/13/2017 +0 days 🔍
06/21/2017 +8 days 🔍
06/21/2017 +0 days 🔍
06/22/2017 +1 days 🔍
10/19/2019 +849 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Karn Ganeshen
Status: Not defined

CVE: CVE-2017-6043 (🔍)
GCVE (CVE): GCVE-0-2017-6043
GCVE (VulDB): GCVE-100-102731
SecurityFocus: 99066 - Trihedral VTScada Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 06/22/2017 08:57
Updated: 10/19/2019 16:25
Changes: 06/22/2017 08:57 (65), 10/19/2019 16:25 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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