VDB-102085 · CVE-2017-7966 · BID 98446

Schneider Electric SoMachine HVAC 2.1.0 DLL Loader access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
7.5$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Schneider Electric SoMachine HVAC 2.1.0. Impacted is an unknown function of the component DLL Loader. This manipulation causes access control. This vulnerability is registered as CVE-2017-7966. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Schneider Electric SoMachine HVAC 2.1.0 (SCADA Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component DLL Loader. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A DLL Hijacking vulnerability in the programming software in Schneider Electric's SoMachine HVAC v2.1.0 allows a remote attacker to execute arbitrary code on the targeted system. The vulnerability exists due to the improper loading of a DLL.

The bug was discovered 05/16/2017. The weakness was published 06/07/2017 (Website). The advisory is shared at schneider-electric.com. This vulnerability is known as CVE-2017-7966 since 04/19/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98446†). Similar entry is available at VDB-102084. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/19/2017 🔍
05/05/2017 +16 days 🔍
05/16/2017 +11 days 🔍
06/07/2017 +22 days 🔍
06/07/2017 +0 days 🔍
06/08/2017 +1 days 🔍
12/26/2020 +1297 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Researcher: Himanshu Mehta
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7966 (🔍)
GCVE (CVE): GCVE-0-2017-7966
GCVE (VulDB): GCVE-100-102085
SecurityFocus: 98446 - Schneider Electric SoMachine HVAC DLL Loading Remote Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 06/08/2017 08:41
Updated: 12/26/2020 13:33
Changes: 06/08/2017 08:41 (60), 10/14/2019 16:19 (4), 12/26/2020 13:33 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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