CVE-2018-10845

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

Published Aug 22, 2018 CVSS 3.1 · 5.9 Medium EPSS 3.6% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1560-1 gnutls28 security update
EUVD EUVD EUVD-2018-2914 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.
Ubuntu USN Ubuntu USN USN-3999-1 GnuTLS vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.0108}

epss

{'score': 0.00965}

Type Values Removed Values Added
Metrics epss

{'score': 0.00865}

epss

{'score': 0.0108}