Main Vulnerability Database Vulnerabilities #VU52787

Stack-based buffer overflow in Texas Instruments products - CVE-2021-22673

Published: May 3, 2021

Vulnerability identifier: #VU52787

CSH Severity: Medium

CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-22673

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing over-the-air firmware updates from the CDN server. A remote authenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

SimpleLink MSP432E4 SDK
SimpleLink CC32XX SDK
SimpleLink CC13X0 SDK
SimpleLink CC13X2 SDK
SimpleLink CC26XX SDK
CC3200 SDK
CC3100 SDK

How to mitigate CVE-2021-22673

Install updates from vendor's website.

SimpleLink CC13X0 SDK - update to 4.10.03
SimpleLink CC13X2 SDK - update to 4.40.00
SimpleLink CC26XX SDK - update to 4.40.00

External References

https://ics-cert.us-cert.gov/advisories/icsa-21-119-01

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