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CVE-2020-36475

Published: Aug 23, 2021

Modified: Aug 4, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://github.com/ARMmbed/mbedtls/releases/tag/v2.25.0

https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.9

https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.18

https://cert-portal.siemens.com/productcert/pdf/ssa-756638.pdf

[debian-lts-announce] 20211123 [SECURITY] [DLA 2826-1] mbedtls security update

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[debian-lts-announce] 20221225 [SECURITY] [DLA 3249-1] mbedtls security update

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