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CVE

CVE-2018-10845

It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote atta

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.

MEDIUM · CVSS 5.9 EPSS 0.00766
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-327Use of a Broken or Risky Cryptographic Algorithm
CWE-385Covert Timing Channel
▤

Affected Products & Versions

7
gnu gnutls< 3.6.12
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
canonical ubuntu linuxall versions
fedoraproject fedoraall versions
debian linuxall versions
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Aug 2018 · 01:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

6
usnUSN-3999-1
suse-csafSUSE-SU-2018:2825-2
suse-csafSUSE-SU-2018:2930-1
suse-csafSUSE-SU-2018:2825-1
suse-csafSUSE-SU-2018:2842-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105138Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:3505Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10845Issue TrackingPatchThird Party Advisory
https://eprint.iacr.org/2018/747Third Party Advisory
https://gitlab.com/gnutls/gnutls/merge_requests/657PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00022.htmlThird Party Advisory
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