CVE-2024-6443 - Vulnerability Details - OpenCVE

In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00077.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Zephyrproject	Zephyr

Configuration 1 [-]

cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

No data.

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Advisories

Source	ID	Title
EUVD	EUVD-2024-47542	In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gg46-3rh2-v765

History

Fri, 04 Oct 2024 14:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Zephyrproject Zephyrproject zephyr
CPEs		cpe:2.3:o:zephyrproject:zephyr::::::::
Vendors & Products		Zephyrproject Zephyrproject zephyr
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 04 Oct 2024 06:15:00 +0000

Type	Values Removed	Values Added
Description		In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty.
Title		zephyr: out-of-bound read in utf8_trunc
Weaknesses		CWE-125 CWE-787
References		https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gg46-3rh2-v765
Metrics		cvssV3_1 `{'score': 6.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}`

MITRE

Status: PUBLISHED

Assigner: zephyr

Published: 2024-10-04T05:56:30.135Z

Updated: 2024-10-04T13:50:42.760Z

Reserved: 2024-07-02T06:00:55.818Z

Link: CVE-2024-6443

Vulnrichment

Updated: 2024-10-04T13:50:37.346Z

NVD

Status : Analyzed

Published: 2024-10-04T06:15:05.160

Modified: 2024-11-12T19:29:43.793

Link: CVE-2024-6443

Redhat

No data.

OpenCVE Enrichment

No data.

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