CVE-2020-36421

NameCVE-2020-36421
DescriptionAn issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3249-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mbedtls (PTS)bullseye2.16.9-0.1fixed
bookworm2.28.3-1fixed
sid, trixie2.28.8-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mbedtlssourcebuster2.16.9-0~deb10u1DLA-3249-1
mbedtlssource(unstable)2.16.9-0.1

Notes

[stretch] - mbedtls <no-dsa> (Minor issue)
https://github.com/ARMmbed/mbedtls/issues/3394

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