CVE-2020-36424

An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.

CVSS v3.0 4.7 MEDIUM
CVSS v2.0 1.9 LOW

4.7^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

1.9^/10

CVSS v2.0 : LOW

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

Exploitability : 3.4 / Impact : 2.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2	Vendor Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8	Release Notes Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0	Release Notes Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17	Release Notes Third Party Advisory
https://bugs.gentoo.org/740108	Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:arm:mbed_tls::::::::
	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 14:10

NVD link : CVE-2020-36424

Mitre link : CVE-2020-36424

JSON object : View

Products Affected

arm

mbed_tls

CWE

CWE-203

Observable Discrepancy

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