National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-10844 Detail

Current 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.

Source:  MITRE
Description Last Modified:  08/22/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.9 MEDIUM
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.2


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105138 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3050 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10844 Issue Tracking Patch Third Party Advisory
https://eprint.iacr.org/2018/747 Third Party Advisory
https://gitlab.com/gnutls/gnutls/merge_requests/657 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-10844
NVD Published Date:
08/22/2018
NVD Last Modified:
11/07/2018