VDB-174702 · CVE-2021-22679 · icsa-21-119-01

Texas Instruments SimpleLink Wi-Fi MSP432E4 SDK HTTP Header 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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical 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. Affected by this vulnerability is an unknown functionality of the component HTTP Header Handler. The manipulation results in integer overflow. This vulnerability is reported as CVE-2021-22679. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was 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 is an unknown part of the component HTTP Header Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 05/07/2021 as icsa-21-119-01. The advisory is available at us-cert.cisa.gov. This vulnerability is traded as CVE-2021-22679. The technical details are unknown and an exploit is not 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: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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
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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-2021-22679 (🔍)
GCVE (CVE): GCVE-0-2021-22679
GCVE (VulDB): GCVE-100-174702

Entryinfo

Created: 05/07/2021 16:41
Updated: 05/12/2021 14:32
Changes: 05/07/2021 16:41 (37), 05/12/2021 14:32 (5)
Complete: 🔍
Cache ID: 216::103