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Public proof of conceptFix available

CVE-2022-32504

A public proof of concept exists; no exploitation attested.

  • Published2024-05-14
  • Fixed in2.13.2 · 1.22.0
  • WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2024-05-1410:43CVE publishedNVD

Versions per branch

CISA-ADP
Nuki bridge v1
BranchAffectedFixed in
2.13≥ 2.13.2*, < 2.13.22.13.2
1.22≥ 1.22.0*, < 1.22.01.22.0
Nuki nuki smart lock
BranchAffectedFixed in
3.x≥ 3.0*, < 3.3.53.3.5
2.x≥ 2.0*, < 2.12.42.12.4

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Nuki bridge v1 to 2.13.2 · 1.22.0

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2024-05-14
Last Modified
2026-06-17
NVD status
Deferred
GitHub Advisory
GHSA-pcv6-8pf7-r5hc

Frequently asked questions

What is CVE-2022-32504?

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.

Is CVE-2022-32504 actively exploited?

A proof-of-concept exploit exists for CVE-2022-32504, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-32504?

CVE-2022-32504 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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