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.

• CWE-385
• CWE-327

• https://www.securityfocus.com/bid/105138Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:3050Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3505Broken Link
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10845Issue Tracking, Patch, Third Party Advisory
• https://eprint.iacr.org/2018/747Third Party Advisory
• https://gitlab.com/gnutls/gnutls/merge_requests/657Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/10/msg00022.htmlThird Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
• https://usn.ubuntu.com/3999-1/Third Party Advisory
• https://www.securityfocus.com/bid/105138Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:3050Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3505Broken Link
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10845Issue Tracking, Patch, Third Party Advisory
• https://eprint.iacr.org/2018/747Third Party Advisory
• https://gitlab.com/gnutls/gnutls/merge_requests/657Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/10/msg00022.htmlThird Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
• https://usn.ubuntu.com/3999-1/Third Party Advisory

Published

Aug 22, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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