Contiki-NG tinyDTLS up to 2018-08-30 Handshake denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Contiki-NG tinyDTLS up to 2018-08-30 and classified as problematic. Impacted is an unknown function of the component Handshake Handler. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2021-42141. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Contiki-NG tinyDTLS up to 2018-08-30. This affects an unknown part of the component Handshake Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service.

The weakness was released 01/23/2024 as 176625. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-42141 since 10/11/2021. The technical details are unknown and an exploit is not publicly available. 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: 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 🔍
01/23/2024 +834 days 🔍
01/23/2024 +0 days 🔍
02/16/2024 +24 days 🔍

Sourcesinfo

Product: github.com

Advisory: 176625
Status: Confirmed

CVE: CVE-2021-42141 (🔍)
GCVE (CVE): GCVE-0-2021-42141
GCVE (VulDB): GCVE-100-251751

Entryinfo

Created: 01/23/2024 07:01
Updated: 02/16/2024 13:51
Changes: 01/23/2024 07:01 (39), 02/16/2024 13:51 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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