PT-2022-22930 · Nordic · Nordic Nrf5 Sdk For Mesh

Published 2022-08-15 · Updated 2022-08-17 · CVE-2022-35624

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Nordic nRF5 SDK for Mesh version 5.0

Description A heap overflow issue can be triggered by sending a series of segmented packets where SegO is greater than SegN. This allows for potential exploitation.

Recommendations For Nordic nRF5 SDK for Mesh version 5.0, consider implementing packet validation to ensure SegO is not greater than SegN to prevent the heap overflow. As a temporary workaround, restrict the handling of segmented packets until a patch is available.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2022-35624

Affected Products

Nordic Nrf5 Sdk For Mesh

References · 4

• 🔥 https://docs.google.com/document/d/1BrgB1bQiL-cMXQGaXJWSSyaZY51Zxomp/edit?usp=sharing&ouid=112184420235437308950&rtpof=true&sd=true · Exploit
• https://osv.dev/vulnerability/CVE-2022-35624 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-35624 · Security Note
• https://t.me/cibsecurity/48166 · Telegram Post