Vulnerability · Published May 24, 2021 · Assigned by zephyr

CVE-2020-13598FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat

Medium 6.3

In plain English

A medium-severity stack buffer overflow in zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.2%top 84.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat. Zephyr versions >= v1.14.2, >= v2.3.0 contain Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7fhv-rgxr-x56h

Affected products (as reported)

VendorProductVersions
zephyrproject-rtos zephyr v1.14.2 – before unspecifiedv2.3.0 – before unspecified

Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

References