VDB-100404 · CVE-2017-5160 · BID 97256

Schneider Electric Wonderware InTouch up to 11.5.2 SSL Certificate inadequate encryption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Schneider Electric Wonderware InTouch up to 11.5.2. The impacted element is an unknown function of the component SSL Certificate Handler. The manipulation results in inadequate encryption. This vulnerability is cataloged as CVE-2017-5160. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Schneider Electric Wonderware InTouch up to 11.5.2 (SCADA Software). Affected is an unknown part of the component SSL Certificate Handler. The manipulation with an unknown input leads to a inadequate encryption vulnerability. CWE is classifying the issue as CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An Inadequate Encryption Strength issue was discovered in Schneider Electric Wonderware InTouch Access Anywhere, version 11.5.2 and prior. The software will connect via Transport Layer Security without verifying the peer's SSL certificate properly.

The bug was discovered 03/30/2017. The weakness was shared 04/20/2017 by Jan Bee with Google (Website). The advisory is shared for download at software.schneider-electric.com. This vulnerability is traded as CVE-2017-5160 since 01/03/2017. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability was handled as a non-public zero-day exploit for at least 21 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 97256†). The entries VDB-100402 and VDB-100403 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Inadequate encryption
CWE: CWE-326 / CWE-310
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

01/03/2017 🔍
03/30/2017 +86 days 🔍
03/31/2017 +1 days 🔍
04/20/2017 +20 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
09/19/2020 +1247 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: software.schneider-electric.com
Researcher: Jan Bee
Organization: Google
Status: Not defined

CVE: CVE-2017-5160 (🔍)
GCVE (CVE): GCVE-0-2017-5160
GCVE (VulDB): GCVE-100-100404
SecurityFocus: 97256 - Wonderware InTouch Access Anywhere Multiple Security Vulnerabilities
OSVDB: - CVE-2017-5160 - Schneider Electric - Wonderware InTouch Access Anywhere - Weak Encryption Issue

See also: 🔍

Entryinfo

Created: 04/21/2017 10:12
Updated: 09/19/2020 09:35
Changes: 04/21/2017 10:12 (61), 09/19/2020 09:35 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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