CVE-2020-36423
Description
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.
References
Issue TrackingPatchThird Party Advisory
Release NotesThird Party Advisory
Release NotesThird Party Advisory
CvssV3 impact
BaseSeverity | HIGH |
ConfidentialityImpact | HIGH |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | NETWORK |
AvailabilityImpact | NONE |
IntegrityImpact | NONE |
PrivilegesRequired | NONE |
BaseScore | 7.5 |
VectorString | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Version | 3.1 |
UserInteraction | NONE |
CvssV2 impact
AccessComplexity | LOW |
ConfidentialityImpact | PARTIAL |
AvailabilityImpact | NONE |
IntegrityImpact | NONE |
BaseScore | 5 |
VectorString | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Version | 2.0 |
AccessVector | NETWORK |
Authentication | NONE |