PT-2022-9813 · Nxp · Nxp Mcuxpresso Sdk

Published 2022-05-03 · Updated 2022-05-12 · CVE-2021-27421

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions NXP MCUXpresso SDK versions prior to 2.8.2

Description The issue is related to an integer overflow in the SDK Malloc function. This could allow access to memory locations outside the bounds of a specified array, leading to unexpected behavior such as a segmentation fault when assigning a particular block of memory from the heap via malloc.

Recommendations For NXP MCUXpresso SDK versions prior to 2.8.2, update to version 2.8.2 or later to resolve the issue. As a temporary workaround, consider restricting the use of the SDK Malloc function to minimize the risk of exploitation.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2021-27421

Affected Products

Nxp Mcuxpresso Sdk

References · 5

• https://mcuxpresso.nxp.com/en/welcome · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-27421 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27421 · Security Note
• https://t.me/cibsecurity/41865 · Telegram Post
• https://cisa.gov/uscert/ics/advisories/icsa-21-119-04 · Note