zephyrproject-rtos zephyr 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 (≈)
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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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in zephyrproject-rtos zephyr and classified as problematic. This vulnerability affects unknown code. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2023-0779. The attack is only possible within the local network. No exploit exists.

Detailsinfo

A vulnerability has been found in zephyrproject-rtos zephyr (Project Management Software) (the affected version is unknown) and classified as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

At the most basic level, an invalid pointer can be input that crashes the device, but with more knowledge of the device’s memory layout, further exploitation is possible.

The weakness was disclosed 05/31/2023 as GHSA-9xj8-6989-r549. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-0779 since 02/10/2023. There are neither technical details nor an exploit publicly available.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-12794). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.7
NVD Vector: 🔍

CNA Base Score: 6.7
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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/10/2023 🔍
05/31/2023 +109 days 🔍
05/31/2023 +0 days 🔍
07/12/2025 +773 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-9xj8-6989-r549
Status: Confirmed

CVE: CVE-2023-0779 (🔍)
GCVE (CVE): GCVE-0-2023-0779
GCVE (VulDB): GCVE-100-230332
EUVD: 🔍

Entryinfo

Created: 05/31/2023 09:59
Updated: 07/12/2025 18:48
Changes: 05/31/2023 09:59 (48), 06/25/2023 01:16 (11), 07/12/2025 18:48 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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