Vulnerability identifier: #VU52791

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22671

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SimpleLink MSP432E4 SDK
Hardware solutions / Firmware
SimpleLink CC32XX SDK
Hardware solutions / Firmware
SimpleLink CC13X0 SDK
Hardware solutions / Firmware
SimpleLink CC13X2 SDK
Hardware solutions / Firmware
SimpleLink CC26XX SDK
Hardware solutions / Firmware
CC3200 SDK
Hardware solutions / Firmware
CC3100 SDK
Hardware solutions / Firmware

Vendor: Texas Instruments

Description

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

The vulnerability exists due to integer overflow while processing long domain names. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SimpleLink MSP432E4 SDK: 4.20.00.12

SimpleLink CC32XX SDK: 4.30.00.06

SimpleLink CC13X0 SDK: All versions

SimpleLink CC13X2 SDK: All versions

SimpleLink CC26XX SDK: All versions

CC3200 SDK: 1.5.0

CC3100 SDK: 1.3.0

---

External links
http://ics-cert.us-cert.gov/advisories/icsa-21-119-01

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.