Contiki-NG TinyDTLS up to 2018-08-30 ClientHello Handshake Message dtls.c dtls_update_parameters infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Contiki-NG TinyDTLS up to 2018-08-30. It has been rated as problematic. This vulnerability affects the function dtls_update_parameters of the file dtls.c of the component ClientHello Handshake Message Handler. This manipulation causes infinite loop. The identification of this vulnerability is CVE-2021-42143. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Contiki-NG TinyDTLS up to 2018-08-30 and classified as problematic. Affected by this vulnerability is the function dtls_update_parameters of the file dtls.c of the component ClientHello Handshake Message Handler. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability.

The weakness was shared 01/18/2024. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-42143. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/11/2021 🔍
01/17/2024 +828 days 🔍
01/18/2024 +0 days 🔍
02/12/2024 +25 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2021-42143 (🔍)
GCVE (CVE): GCVE-0-2021-42143
GCVE (VulDB): GCVE-100-251419

Entryinfo

Created: 01/18/2024 00:57
Updated: 02/12/2024 08:22
Changes: 01/18/2024 00:57 (38), 02/12/2024 08:17 (2), 02/12/2024 08:22 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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