VDB-174709 · CVE-2021-22671 · icsa-21-119-01

Texas Instruments SimpleLink Wi-Fi MSP432E4 SDK Domain Name integer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Texas Instruments SimpleLink Wi-Fi MSP432E4 SDK, SimpleLink Wi-Fi CC32XX SDK, SimpleLink Wi-Fi CC13X0 SDK, SimpleLink Wi-Fi CC13X2, SimpleLink Wi-Fi CC26XX SDK, SimpleLink Wi-Fi CC3200 SDK and SimpleLink Wi-Fi CC3100 SDK and classified as critical. The impacted element is an unknown function of the component Domain Name Handler. This manipulation causes integer overflow. The identification of this vulnerability is CVE-2021-22671. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Texas Instruments SimpleLink Wi-Fi MSP432E4 SDK, SimpleLink Wi-Fi CC32XX SDK, SimpleLink Wi-Fi CC13X0 SDK, SimpleLink Wi-Fi CC13X2, SimpleLink Wi-Fi CC26XX SDK, SimpleLink Wi-Fi CC3200 SDK and SimpleLink Wi-Fi CC3100 SDK. Affected by this vulnerability is an unknown part of the component Domain Name Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 05/07/2021 as icsa-21-119-01. The advisory is shared at us-cert.cisa.gov. This vulnerability is known as CVE-2021-22671. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Texas Instruments

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/05/2021 🔍
05/07/2021 +121 days 🔍
05/07/2021 +0 days 🔍
05/12/2021 +5 days 🔍

Sourcesinfo

Advisory: icsa-21-119-01
Status: Confirmed

CVE: CVE-2021-22671 (🔍)
GCVE (CVE): GCVE-0-2021-22671
GCVE (VulDB): GCVE-100-174709

Entryinfo

Created: 05/07/2021 18:29
Updated: 05/12/2021 14:56
Changes: 05/07/2021 18:29 (37), 05/12/2021 14:56 (5)
Complete: 🔍
Cache ID: 216::103