eQ-3 Homematic CCU3 up to 3.43.15 Web Interface User.getUserPWD Password credentials management

Summaryinfo

A vulnerability was found in eQ-3 Homematic CCU3 up to 3.43.15. It has been rated as problematic. This affects the function User.getUserPWD of the component Web Interface. This manipulation causes credentials management (Password). The identification of this vulnerability is CVE-2019-9727. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in eQ-3 Homematic CCU3 up to 3.43.15. Affected by this vulnerability is the function User.getUserPWD of the component Web Interface. The manipulation with an unknown input leads to a credentials management vulnerability (Password). The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality. The summary by CVE is:

Unauthenticated password hash disclosure in the User.getUserPWD method in eQ-3 AG Homematic CCU3 3.43.15 and earlier allows remote attackers to retrieve the GUI password hashes of GUI users. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

The bug was discovered 03/12/2019. The weakness was shared 05/13/2019. This vulnerability is known as CVE-2019-9727 since 03/12/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 62 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 entry VDB-134658 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• eQ-3

Name

• Homematic CCU3

Version

• 3.43.0
• 3.43.1
• 3.43.2
• 3.43.3
• 3.43.4
• 3.43.5
• 3.43.6
• 3.43.7
• 3.43.8
• 3.43.9
• 3.43.10
• 3.43.11
• 3.43.12
• 3.43.13
• 3.43.14
• 3.43.15

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

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

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