Nuki Bridge up to 1.21.x/2.12.3/2.13.1/3.3.4 WebSocket Service stack-based overflow

Summaryinfo

A vulnerability classified as critical was found in Nuki Bridge up to 1.21.x/2.12.3/2.13.1/3.3.4. This affects an unknown part of the component WebSocket Service. The manipulation results in stack-based overflow. This vulnerability is known as CVE-2022-32504. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Nuki Bridge up to 1.21.x/2.12.3/2.13.1/3.3.4. It has been classified as critical. Affected is an unknown function of the component WebSocket Service. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered on certain Nuki Home Solutions devices. The code used to parse the JSON objects received from the WebSocket service provided by the device leads to a stack buffer overflow. An attacker would be able to exploit this to gain arbitrary code execution on a KeyTurner device. This affects Nuki Smart Lock 3.0 before 3.3.5 and 2.0 before 2.12.4, as well as Nuki Bridge v1 before 1.22.0 and v2 before 2.13.2.

The advisory is shared for download at research.nccgroup.com. This vulnerability is traded as CVE-2022-32504 since 06/06/2022. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.22.0, 2.12.4, 2.13.2 or 3.3.5 eliminates this vulnerability.

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Productinfo

Vendor

• Nuki

Name

• Bridge

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 2.12.0
• 2.12.1
• 2.12.2
• 2.12.3
• 2.13.0
• 2.13.1
• 3.3.0
• 3.3.1
• 3.3.2
• 3.3.3
• 3.3.4

CPE 2.3info

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CPE 2.2info

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