CVE-2021-36647 (GCVE-0-2021-36647)
Vulnerability from cvelistv5
Published
2023-01-17 00:00
Modified
2025-04-08 20:31
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
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.
References
cve@mitre.orghttps://github.com/ARMmbed/mbedtls/releases/Third Party Advisory
cve@mitre.orghttps://kouzili.com/Load-Step.pdfThird Party Advisory
cve@mitre.orghttps://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-07-1Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ARMmbed/mbedtls/releases/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kouzili.com/Load-Step.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-07-1Vendor Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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