CVE-2021-22673: Buffer Overflow
The affected product is vulnerable to stack-based buffer overflow while processing over-the-air firmware updates from the CDN server, which may allow an attacker to remotely execute code on the SimpleLink Wi-Fi (MSP432E4 SDK: v4.20.00.12 and prior, CC32XX SDK v4.30.00.06 and prior, CC13X0 SDK versions prior to v4.10.03, CC13X2 and CC26XX SDK versions prior to v4.40.00, CC3200 SDK v1.5.0 and prior, CC3100 SDK v1.3.0 and prior).
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-22673.
What is the severity of CVE-2021-22673?
CVE-2021-22673 has a severity of high.
Which products are affected by CVE-2021-22673?
CVE-2021-22673 affects Ti Cc3100 Software Development Kit, Ti Cc3200 Software Development Kit, Ti Simplelink Cc13x0 Software Development Kit, Ti Simplelink Cc13x2 Software Development Kit, Ti Simplelink Cc26xx Software Development Kit, and Ti Simplelink Cc32xx Software Development Kit.
How is an attacker able to exploit CVE-2021-22673?
An attacker can exploit CVE-2021-22673 by sending malicious over-the-air firmware updates from the CDN server, which triggers a stack-based buffer overflow and allows remote code execution on the affected SimpleLink Wi-Fi devices.
Is there a fix for CVE-2021-22673?
Yes, updating to MSP432E4 SDK v4.20.00.12 or later and CC32XX SDK v4.30.00.06 or later will fix the vulnerability.