OESA-2021-1046

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OESA-2021-1046

Summary: gnutls security update

Details: GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface (API) to access the secure communications protocols as well as APIs to parse and write X.509, PKCS #12, and other required structures. Security Fix(es): An issue was discovered in GnuTLS before 3.6.15. A server can trigger a NULL pointer dereference in a TLS 1.3 client if a no_renegotiation alert is sent with unexpected timing, and then an invalid second handshake occurs. The crash happens in the application's error handling path, where the gnutls_deinit function is called after detecting a handshake failure.(CVE-2020-24659)

References: https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1046, https://nvd.nist.gov/vuln/detail/CVE-2020-24659