Red Hat OpenShift: CVE-2020-11501: gnutls: DTLS client hello contains a random value of all zeroes
6
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
04/03/2020
12/30/2020
12/29/2020
05/10/2023
Description
GnuTLS 3.6.x before 3.6.13 uses incorrect cryptography for DTLS. The earliest affected version is 3.6.3 (2018-07-16) because of an error in a 2017-10-06 commit. The DTLS client always uses 32 '\0' bytes instead of a random value, and thus contributes no randomness to a DTLS negotiation. This breaks the security guarantees of the DTLS protocol.
Solution(s)
- linuxrpm-upgrade-redhat-coreos
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