It was found that the GnuTLS implementation of HMAC-SHA-256 was...
Vulnerability Description
It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data using crafted packets.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://eprint.iacr.org/2018/747
- https://gitlab.com/gnutls/gnutls/merge_requests/657
- https://access.redhat.com/errata/RHSA-2018:3505
- http://www.securityfocus.com/bid/105138
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10844
- https://access.redhat.com/errata/RHSA-2018:3050
- https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html
- https://usn.ubuntu.com/3999-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
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Timeline
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.