PT-2021-15171 · Texas Instruments · Simplelink Wi-Fi

David Atch + 1 · Published 2021-05-07 · Updated 2021-05-17 · CVE-2021-22677

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SimpleLink Wi-Fi versions prior to MSP432E4 SDK: v4.20.00.12 SimpleLink Wi-Fi versions prior to CC32XX SDK: v4.30.00.06 SimpleLink Wi-Fi versions prior to CC13X0 SDK: v4.10.03 SimpleLink Wi-Fi versions prior to CC13X2 and CC26XX SDK: v4.40.00 SimpleLink Wi-Fi versions prior to CC3200 SDK: v1.5.0 SimpleLink Wi-Fi versions prior to CC3100 SDK: v1.3.0

Description An integer overflow exists in the APIs of the host MCU while trying to connect to a WIFI network, which may lead to issues such as a denial-of-service condition or code execution.

Recommendations For versions prior to MSP432E4 SDK: v4.20.00.12, update to a version newer than v4.20.00.12. For versions prior to CC32XX SDK: v4.30.00.06, update to a version newer than v4.30.00.06. For versions prior to CC13X0 SDK: v4.10.03, update to a version newer than v4.10.03. For versions prior to CC13X2 and CC26XX SDK: v4.40.00, update to a version newer than v4.40.00. For versions prior to CC3200 SDK: v1.5.0, update to a version newer than v1.5.0. For versions prior to CC3100 SDK: v1.3.0, update to a version newer than v1.3.0.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2021-22677

Affected Products

Simplelink Wi-Fi

References · 3

• https://osv.dev/vulnerability/CVE-2021-22677 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22677 · Security Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01 · Note