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.
| Reporter | Title | Published | Views | Family All 66 |
|---|---|---|---|---|
 | Alibaba Cloud Linux 3 : 0008: gnutls (ALINUX3-SA-2021:0008) | 14 May 202500:00 | – | nessus |
| CentOS 8 : gnutls (CESA-2020:1998) | 1 Feb 202100:00 | – | nessus |
| Debian DSA-4652-1 : gnutls28 - security update | 6 Apr 202000:00 | – | nessus |
| EulerOS 2.0 SP8 : gnutls (EulerOS-SA-2020-1803) | 30 Jul 202000:00 | – | nessus |
| EulerOS Virtualization for ARM 64 3.0.6.0 : gnutls (EulerOS-SA-2020-1899) | 28 Aug 202000:00 | – | nessus |
| Fedora 31 : mingw-gnutls (2020-d14280a6e8) | 8 May 202000:00 | – | nessus |
| FreeBSD : GnuTLS -- flaw in DTLS protocol implementation (d887b3d9-7366-11ea-b81a-001cc0382b2f) | 2 Apr 202000:00 | – | nessus |
| NewStart CGSL MAIN 6.01 : gnutls Vulnerability (NS-SA-2020-0033) | 21 Jul 202000:00 | – | nessus |
| openSUSE Security Update : gmp / gnutls / libnettle (openSUSE-2020-501) | 14 Apr 202000:00 | – | nessus |
| Oracle Linux 8 : gnutls (ELSA-2020-1998) | 11 May 202000:00 | – | nessus |
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09 Sep 2020 07:00Current
7High risk
Vulners AI Score7
CVSS 25.8
CVSS 3.17.4
EPSS0.03388