A vulnerability classified as critical was found in Nuki Bridge up to 1.21.x/2.13.1. This vulnerability affects an unknown functionality of the component Encrypted Token Parser. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered on certain Nuki Home Solutions devices. There is a buffer overflow over the encrypted token parsing logic in the HTTP service that allows remote code execution. This affects Nuki Bridge v1 before 1.22.0 and v2 before 2.13.2.

The advisory is available at research.nccgroup.com. This vulnerability was named CVE-2022-32502 since 06/06/2022. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 1.22.0 or 2.13.2 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

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
• 2.13.0
• 2.13.1

CPE 2.3info

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CPE 2.2info

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