myStrom WiFi Switch Server Certificate Validator certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in myStrom WiFi Switch, WiFi Switch EU, WiFi Bulb, WiFi LED Strip, WiFi Button and WiFi Button Plus. This issue affects some unknown processing of the component Server Certificate Validator. Executing a manipulation can lead to certificate validation. The identification of this vulnerability is CVE-2018-15476. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in myStrom WiFi Switch, WiFi Switch EU, WiFi Bulb, WiFi LED Strip, WiFi Button and WiFi Button Plus (Wireless LAN Software). It has been declared as critical. This vulnerability affects an unknown function of the component Server Certificate Validator. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in myStrom WiFi Switch V1 before 2.66, WiFi Switch V2 before 3.80, WiFi Switch EU before 3.80, WiFi Bulb before 2.58, WiFi LED Strip before 3.80, WiFi Button before 2.73, and WiFi Button Plus before 2.73. The SSL/TLS server certificate in the device to cloud communication was not verified by the device. As a result, an attacker in control of the network traffic of a device could have taken control of a device by intercepting and modifying commands issued from the server to the device in a Man-in-the-Middle attack. This included the ability to inject firmware update commands into the communication and cause the device to install maliciously modified firmware.

The bug was discovered 08/29/2018. The weakness was shared 08/30/2018 (Website). The advisory is shared for download at swisscom.ch. This vulnerability was named CVE-2018-15476 since 08/17/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The entries VDB-123428, VDB-123425, VDB-123426 and VDB-123427 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
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: Certificate validation
CWE: CWE-295 / CWE-287
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2018 🔍
08/29/2018 +12 days 🔍
08/30/2018 +0 days 🔍
08/30/2018 +0 days 🔍
08/31/2018 +1 days 🔍
03/19/2020 +566 days 🔍

Sourcesinfo

Advisory: swisscom.ch
Status: Not defined

CVE: CVE-2018-15476 (🔍)
GCVE (CVE): GCVE-0-2018-15476
GCVE (VulDB): GCVE-100-123424
See also: 🔍

Entryinfo

Created: 08/31/2018 08:08
Updated: 03/19/2020 15:48
Changes: 08/31/2018 08:08 (59), 03/19/2020 15:48 (1)
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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