CVE-2024-6443 — Out-of-bounds Read in Zephyr

CWE-125 — Out-of-bounds ReadCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
6.5MEDIUMNVD
CNA6.3
EPSS
0.1%
top 69.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Zephyrproject-rtos ZephyrZephyrproject Zephyr
Timeline
PublishedOct 4

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.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5zephyrproject-rtos/zephyr* — 3.6

🔴Vulnerability Details

2
CVEList
zephyr: out-of-bound read in utf8_trunc↗2024-10-04
▶
OSV
CVE-2024-6443: In utf8_trunc in zephyr/lib/utils/utf8↗2024-10-04
▶
CVE-2024-6443 — Out-of-bounds Read in Zephyr | cvebase