VDB-263783 · CVE-2022-32508 · GCVE-0-2022-32508

Nuki Bridge up to 1.21.x/2.13.1 HTTP Verb denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Nuki Bridge up to 1.21.x/2.13.1. This vulnerability affects unknown code of the component HTTP Verb Handler. The manipulation leads to denial of service. This vulnerability is listed as CVE-2022-32508. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Nuki Bridge up to 1.21.x/2.13.1. This issue affects some unknown functionality of the component HTTP Verb Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

An issue was discovered on certain Nuki Home Solutions devices. By sending a malformed HTTP verb, it is possible to force a reboot of the device. This affects Nuki Bridge v1 before 1.22.0 and v2 before 2.13.2.

It is possible to read the advisory at research.nccgroup.com. The identification of this vulnerability is CVE-2022-32508 since 06/06/2022. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 1.22.0 or 2.13.2 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Nuki

Name

Bridge

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bridge 1.22.0/2.13.2

Timelineinfo

06/06/2022 🔍
05/10/2024 +704 days 🔍
05/10/2024 +0 days 🔍
05/10/2024 +0 days 🔍

Sourcesinfo

Advisory: research.nccgroup.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-32508 (🔍)
GCVE (CVE): GCVE-0-2022-32508
GCVE (VulDB): GCVE-100-263783

Entryinfo

Created: 05/10/2024 07:07
Changes: 05/10/2024 07:07 (55)
Complete: 🔍
Cache ID: 216::103