PT-2021-15167 · Texas Instruments · Simplelink Wi-Fi

David Atch + 1 · Published 2021-05-07 · Updated 2021-05-17 · CVE-2021-22673

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

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

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

Description The issue is related to a stack-based buffer overflow that occurs when processing over-the-air firmware updates from the CDN server. This may allow an attacker to remotely execute code.

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

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2021-22673

Affected Products

Simplelink Wi-Fi

References · 3

• https://osv.dev/vulnerability/CVE-2021-22673 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22673 · Security Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01 · Note