zephyrproject-rtos zephyr CAN Bus Subsystem 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.
7.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in zephyrproject-rtos zephyr. Affected by this vulnerability is an unknown functionality of the component CAN Bus Subsystem. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2023-3725. The attack must originate from the local network. There is no exploit available.

Detailsinfo

A vulnerability was found in zephyrproject-rtos zephyr (Project Management Software) (affected version unknown). It has been classified as critical. Affected is an unknown functionality of the component CAN Bus Subsystem. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 10/07/2023 as GHSA-2g3m-p6c7-8rr3. The advisory is available at github.com. This vulnerability is traded as CVE-2023-3725 since 07/17/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/27/2023).

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

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 7.6
CNA Vector (Zephyr Project): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes

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

07/17/2023 🔍
10/07/2023 +82 days 🔍
10/07/2023 +0 days 🔍
10/27/2023 +20 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-2g3m-p6c7-8rr3
Status: Confirmed

CVE: CVE-2023-3725 (🔍)
GCVE (CVE): GCVE-0-2023-3725
GCVE (VulDB): GCVE-100-241494

Entryinfo

Created: 10/07/2023 08:31
Updated: 10/27/2023 11:14
Changes: 10/07/2023 08:31 (48), 10/27/2023 11:14 (11)
Complete: 🔍
Cache ID: 216::103

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