CVE-2021-36647
Summary
| CVE | CVE-2021-36647 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-01-17 21:15:00 UTC |
| Updated | 2023-01-27 17:56:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-327
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Local side channel attack on RSA - Tech Updates - Mbed TLS (Previously PolarSSL) | MISC | tls.mbed.org | |
| kouzili.com/Load-Step.pdf | MISC | kouzili.com | |
| Releases · ARMmbed/mbedtls · GitHub | MISC | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 183968 Debian Security Update for mbedtls (CVE-2021-36647)
- 905280 Common Base Linux Mariner (CBL-Mariner) Security Update for fluent-bit (13023)
- 906522 Common Base Linux Mariner (CBL-Mariner) Security Update for fluent-bit (13023-1)
- 906626 Common Base Linux Mariner (CBL-Mariner) Security Update for fluent-bit (13023-3)