CVE-2020-36425

An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/ARMmbed/mbedtls/pull/3433	Third Party 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/issues/3340	Exploit Issue Tracking 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 14:24

NVD link : CVE-2020-36425

Mitre link : CVE-2020-36425

JSON object : View

Products Affected

arm

mbed_tls

CWE

CWE-295

Improper Certificate Validation

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