eQ-3 Homematic CCU3 up to 3.43.15 Web Interface path traversal

Summaryinfo

A vulnerability was found in eQ-3 Homematic CCU3 up to 3.43.15. It has been declared as critical. The impacted element is an unknown function of the component Web Interface. The manipulation results in path traversal. This vulnerability was named CVE-2019-9726. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in eQ-3 Homematic CCU3 up to 3.43.15. Affected is some unknown processing of the component Web Interface. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. CVE summarizes:

Directory Traversal / Arbitrary File Read in eQ-3 AG Homematic CCU3 3.43.15 and earlier allows remote attackers to read arbitrary files of the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

The bug was discovered 03/12/2019. The weakness was presented 05/13/2019. This vulnerability is traded as CVE-2019-9726 since 03/12/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

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.

See VDB-134659 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

• 🔍
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CPE 2.2info

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Exploitinginfo

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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