An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2826-1 mbedtls security update
Debian DLA Debian DLA DLA-3249-1 mbedtls security update
EUVD EUVD EUVD-2020-23961 An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.
Fixes

Solution

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Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T17:30:08.223Z

Reserved: 2021-08-23T00:00:00

Link: CVE-2020-36475

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-23T02:15:06.930

Modified: 2024-11-21T05:29:37.603

Link: CVE-2020-36475

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses