Observable Discrepancy
CVE-2020-36421
Summary
An issue was discovered in Arm Mbed TLS through 2.16.6 and 2.17.0 through 2.22.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed.
- LOW
- NETWORK
- NONE
- UNCHANGED
- NONE
- NONE
- LOW
- NONE
CWE-203 - Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
References
Advisory Timeline
- Published