Use of a Broken or Risky Cryptographic Algorithm Affecting mbedtls package, versions <2.16.11 >=2.17.0, <2.27.0
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Threat Intelligence
EPSS
0.05% (21st
percentile)
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Test your applications- Snyk ID SNYK-COCOAPODS-MBEDTLS-3244955
- published 23 Jan 2023
- disclosed 23 Jan 2023
- credit Zili Kou, Wenjian He, Sharad Sinha, and Wei Zhang
Introduced: 23 Jan 2023
CVE-2021-36647 Open this link in a new tabHow to fix?
Upgrade mbedTLS to version 2.16.11, 2.27.0 or higher.
Overview
mbedTLS is an An open source, portable, easy to use, readable and flexible SSL library.
Affected versions of this package are vulnerable to Use of a Broken or Risky Cryptographic Algorithm in the function mbedtls_mpi_exp_mod() in lignum.c, which 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.