CVE-2020-36423: An issue was discovered in Arm Mbed TLS before 2.23.0. A remote attacker can recover plaintext because a certain Lucky 13 countermeasure doesn't properly…

PriorityP340high7.5CVSS 3.1

AVNACLPRNUINSUCHINAN

EPSS

1.20%

64.2th percentile

An issue was discovered in Arm Mbed TLS before 2.23.0. A remote attacker can recover plaintext because a certain Lucky 13 countermeasure doesn't properly consider the case of a hardware accelerator.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
arm	mbed_tls	< 2.16.7	2.16.7
arm	mbed_tls	>= 2.17.0 < 2.23.0	2.23.0
debian	debian_linux	—	—
debian	mbedtls	< mbedtls 2.16.9-0.1 (bookworm)	mbedtls 2.16.9-0.1 (bookworm)
mbed	mbedtls	>= 0 < 2.16.9-0.1	2.16.9-0.1
mbed	mbedtls	>= 0 < 2.16.9-0.1	2.16.9-0.1
mbed	mbedtls	>= 0 < 2.16.9-0.1	2.16.9-0.1
mbed	mbedtls	>= 0 < 2.16.9-0.1	2.16.9-0.1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

osv7.5HIGH

vendor_debian7.5HIGH

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