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PRIOn knowledge basePRION:CVE-2020-36422

HistoryJul 19, 2021 - 5:15 p.m.

Code injection

2021-07-1917:15:00

PRIOn knowledge base

www.prio-n.com

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5.4 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

45.5%

JSON

An issue was discovered in Arm Mbed TLS before 2.23.0. A side channel allows recovery of an ECC private key, related to mbedtls_ecp_check_pub_priv, mbedtls_pk_parse_key, mbedtls_pk_parse_keyfile, mbedtls_ecp_mul, and mbedtls_ecp_mul_restartable.

CPENameOperatorVersion
mbed_tlsge2.17.0
mbed_tlslt2.23.0
mbed_tlslt2.16.7
debian_linuxeq10.0

Name	Operator	Version
mbed_tls	ge	2.17.0
mbed_tls	lt	2.23.0
mbed_tls	lt	2.16.7
debian_linux	eq	10.0

References

bugs.gentoo.org/730752

github.com/ARMmbed/mbedtls/releases/tag/v2.16.7

github.com/ARMmbed/mbedtls/releases/tag/v2.23.0

lists.debian.org/debian-lts-announce/2022/12/msg00036.html

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5.4 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

45.5%

JSON

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