Contiki-NG TinyDTLS up to 2018-08-30 check_certificate_request denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Contiki-NG TinyDTLS up to 2018-08-30. The affected element is the function check_certificate_request. Executing a manipulation can lead to denial of service.
This vulnerability is tracked as CVE-2021-42145. The attack can be launched remotely. No exploit exists.
Details
A vulnerability was found in Contiki-NG TinyDTLS up to 2018-08-30. It has been declared as problematic. This vulnerability affects the function check_certificate_request. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.
The weakness was disclosed 01/18/2024. The advisory is available at github.com. This vulnerability was named CVE-2021-42145. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/11/2021 🔍01/18/2024 🔍
01/18/2024 🔍
02/12/2024 🔍
Sources
Product: github.comAdvisory: github.com
Status: Not defined
CVE: CVE-2021-42145 (🔍)
GCVE (CVE): GCVE-0-2021-42145
GCVE (VulDB): GCVE-100-251422
Entry
Created: 01/18/2024 01:01Updated: 02/12/2024 08:36
Changes: 01/18/2024 01:01 (36), 02/12/2024 08:34 (2), 02/12/2024 08:36 (11)
Complete: 🔍
Cache ID: 216::103
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