VDB-255970 · CVE-2023-51395 · GCVE-0-2023-51395

Silicon Labs Z-Wave SDK up to 7.17.4/7.18.7/7.19.2 on ARM32 buffer overflow

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.
8.6	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Silicon Labs Z-Wave SDK up to 7.17.4/7.18.7/7.19.2 on ARM32. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2023-51395. The attack requires access to the local network. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Silicon Labs Z-Wave SDK up to 7.17.4/7.18.7/7.19.2 on ARM32. This vulnerability affects an unknown functionality. 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:

The vulnerability described by CVE-2023-0972 has been additionally discovered in Silicon Labs Z-Wave end devices. This vulnerability may allow an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution.

The weakness was published 03/07/2024. The advisory is available at community.silabs.com. This vulnerability was named CVE-2023-51395 since 12/18/2023. The technical details are unknown and an exploit is not available.

Upgrading to version 7.17.5, 7.18.8, 7.19.3 or 7.20.0 eliminates this vulnerability.

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

Productinfo

Vendor

Silicon Labs

Name

Z-Wave SDK

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (Silicon Labs): 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Z-Wave SDK 7.17.5/7.18.8/7.19.3/7.20.0

Timelineinfo

12/18/2023 🔍
03/07/2024 +80 days 🔍
03/07/2024 +0 days 🔍
09/26/2024 +202 days 🔍

Sourcesinfo

Advisory: community.silabs.com
Status: Confirmed

CVE: CVE-2023-51395 (🔍)
GCVE (CVE): GCVE-0-2023-51395
GCVE (VulDB): GCVE-100-255970

Entryinfo

Created: 03/07/2024 07:11
Updated: 09/26/2024 01:42
Changes: 03/07/2024 07:11 (50), 09/26/2024 01:42 (16)
Complete: 🔍
Cache ID: 216::103