PT-2024-37630 · Zephyr · Zephyr

Ekleezg · Published 2024-10-03 · Updated 2024-11-12 · CVE-2024-6443

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Zephyr (affected versions not specified)

Description The issue occurs in the utf8 trunc function found in zephyr/lib/utils/utf8.c, where last byte p might point to the byte just before the string pointer if the string is empty. This is a buffer underflow vulnerability in Zephyr's UTF-8 utility function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Memory Corruption

Weakness Enumeration

CWE-125

CWE-787

Related Identifiers

CVE-2024-6443

GHSA-GG46-3RH2-V765

Affected Products

Zephyr

References · 10

• 🔥 https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gg46-3rh2-v765 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-6443 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-6443 · Security Note
• https://osv.dev/vulnerability/CVE-2024-6443 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-6443 · Security Note
• https://ubuntu.com/security/CVE-2024-6443 · Vendor Advisory
• https://twitter.com/CVEnew/status/1842087821785608640 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1842159417204023345 · Twitter Post
• https://t.me/cvedetector/6959 · Telegram Post
• https://t.me/cvenotify/97010 · Telegram Post