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Debian: CVE-2020-11501: gnutls28 -- security update

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Debian: CVE-2020-11501: gnutls28 -- security update

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
04/03/2020
Created
04/07/2020
Added
04/06/2020
Modified
04/24/2020

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)

  • debian-upgrade-gnutls28

References

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