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CVE-2021-36647
MEDIUM4.7
Beschreibung
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.
CVE Details
CVSS v3.1 Bewertung4.7
SchweregradMEDIUM
CVSS VektorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
AngriffsvektorLOCAL
KomplexitatHIGH
Erforderliche PrivilegienLOW
BenutzerinteraktionNONE
Veroffentlicht1/17/2023
Zuletzt geandert11/3/2025
Quellenvd
Honeypot-Sichtungen0
Betroffene Produkte
arm:mbed_tls
Schwachen (CWE)
CWE-327CWE-327
Referenzen
https://github.com/ARMmbed/mbedtls/releases/(cve@mitre.org)
https://kouzili.com/Load-Step.pdf(cve@mitre.org)
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-07-1(cve@mitre.org)
https://github.com/ARMmbed/mbedtls/releases/(af854a3a-2127-422b-91ae-364da2661108)
https://kouzili.com/Load-Step.pdf(af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html(af854a3a-2127-422b-91ae-364da2661108)
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-07-1(af854a3a-2127-422b-91ae-364da2661108)
IOC Korrelationen
Keine Korrelationen erfasst
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