Description
Use of a Broken or Risky Cryptographic Algorithm in the function mbedtls_mpi_exp_mod() in lignum.c in Mbed TLS Mbed TLS all versions before 3.0.0, 2.27.0 or 2.16.11 allows attackers with access to precise enough timing and memory access information (typically an untrusted operating system attacking a secure enclave such as SGX or the TrustZone secure world) to recover the private keys used in RSA.
Related CPE's
a
arm
mbed_tls
3
References
https://github.com/ARMmbed/mbedtls/releases/
Third Party Advisory
https://kouzili.com/Load-Step.pdf
Third Party Advisory
CVSS impact metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
4.7 · Medium
CVSS V3.1
CVSS V3.0
CVSS V2.0
Information
Source identifier
Vulnerability status
Analyzed
Published
2023-01-17T21:15:10.880
1 year agoLast modified
2023-01-27T17:56:00.217
1 year ago