myStrom WiFi Switch V1 up to 2.65 Cloud os command injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in myStrom WiFi Switch V1 up to 2.65. Impacted is an unknown function of the component Cloud Handler. The manipulation leads to os command injection. This vulnerability is referenced as CVE-2018-15477. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in myStrom WiFi Switch V1 up to 2.65 (Wireless LAN Software). It has been rated as critical. This issue affects an unknown functionality of the component Cloud Handler. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

myStrom WiFi Switch V1 devices before 2.66 did not sanitize a parameter received from the cloud that was used in an OS command. Malicious servers were able to run operating system commands on the device.

The bug was discovered 08/29/2018. The weakness was published 08/30/2018 (Website). The advisory is shared at swisscom.ch. The identification of this vulnerability is CVE-2018-15477 since 08/17/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 T1202 for this issue.

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 to version 2.66 eliminates this vulnerability.

Similar entries are available at VDB-123428, VDB-123424, VDB-123426 and VDB-123427. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Wireless LAN Software

Vendor

• myStrom

Name

• WiFi Switch V1

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.35
• 2.36
• 2.37
• 2.38
• 2.39
• 2.40
• 2.41
• 2.42
• 2.43
• 2.44
• 2.45
• 2.46
• 2.47
• 2.48
• 2.49
• 2.50
• 2.51
• 2.52
• 2.53
• 2.54
• 2.55
• 2.56
• 2.57
• 2.58
• 2.59
• 2.60
• 2.61
• 2.62
• 2.63
• 2.64
• 2.65

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion