CVE-2018-10845 – gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant

https://notcve.org/view.php?id=CVE-2018-10845

It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets. Se ha detectado que la implementación GnuTLS de HMAC-SHA-384 era vulnerable a un ataque de estilo Lucky Thirteen. Los atacantes remotos podrían utilizar este fallo para realizar ataques de distinción y de recuperación en texto plano mediante análisis estadísticos de datos temporales mediante paquetes manipulados. It was found that GnuTLS's implementation of HMAC-SHA-384 was vulnerable to a Lucky Thirteen-style attack. • http://www.securityfocus.com/bid/105138 https://access.redhat.com/errata/RHSA-2018:3050 https://access.redhat.com/errata/RHSA-2018:3505 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10845 https://eprint.iacr.org/2018/747 https://gitlab.com/gnutls/gnutls/merge_requests/657 https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ https://lists.fedor • CWE-327: Use of a Broken or Risky Cryptographic Algorithm CWE-385: Covert Timing Channel •