Silicon Labs Simplicity SDK up to 8.0.0 on 32-bit ARM use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
3.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Silicon Labs Simplicity SDK up to 8.0.0 on 32-bit ARM. It has been rated as problematic. Impacted is an unknown function. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2023-41093. The attack can only be initiated within the local network. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Silicon Labs Simplicity SDK up to 8.0.0 on 32-bit ARM. This issue affects an unknown function. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality. The summary by CVE is:

Use After Free vulnerability in Silicon Labs Bluetooth SDK on 32 bit, ARM may allow an attacker with precise timing capabilities to intercept a small number of packets intended for a recipient that has left the network.This issue affects Silabs Bluetooth SDK: through 8.0.0.

The advisory is shared at community.silabs.com. The identification of this vulnerability is CVE-2023-41093 since 08/23/2023. The exploitation is known to be difficult. The attack needs to approached within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/10/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.1
NVD Vector: 🔍

CNA Base Score: 3.1
CNA Vector (Silabs): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2023 🔍
07/12/2024 +324 days 🔍
07/12/2024 +0 days 🔍
09/10/2024 +60 days 🔍

Sourcesinfo

Advisory: community.silabs.com
Status: Confirmed

CVE: CVE-2023-41093 (🔍)
GCVE (CVE): GCVE-0-2023-41093
GCVE (VulDB): GCVE-100-271397

Entryinfo

Created: 07/12/2024 22:10
Updated: 09/10/2024 21:57
Changes: 07/12/2024 22:10 (61), 07/15/2024 15:09 (1), 09/10/2024 21:57 (10)
Complete: 🔍
Cache ID: 216::103

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