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CVE-2024-6443

Date: October 4, 2024

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.

Language: C

Severity Score

Related Resources (3)

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gg46-3rh2-v765
https://nvd.nist.gov/vuln/detail/CVE-2024-6443
https://www.mend.io/vulnerability-database/CVE-2024-6443

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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