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 consider the case of a hardware accelerator.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugs.gentoo.org/730752	Issue Tracking Patch Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0	Release Notes Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7	Release Notes Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:arm:mbed_tls::::::::
	cpe:2.3:a:arm:mbed_tls::::::::

Information

Published : 2021-07-19 17:15

Updated : 2021-07-29 14:07

NVD link : CVE-2020-36423

Mitre link : CVE-2020-36423

JSON object : View

Products Affected

arm

mbed_tls

CWE

CWE-319

Cleartext Transmission of Sensitive Information

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