hostname verification

  1. CVE-2020-36477: Mbed TLS X509 Hostname Verification Bug

    Mbed TLS contained a subtle but consequential X.509 verification bug — tracked as CVE-2020-36477 — that allowed the library to compare the expected hostname (the cn argument passed to mbedtls_x509_crt_verify) against any entry in the certificate’s subjectAltName (SAN) extension without checking...
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    • certificate validation hostname verification mbed tls security advisories
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