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CVE-2018-14568

Published: 23 July 2018

Suricata before 4.0.5 stops TCP stream inspection upon a TCP RST from a server. This allows detection bypass because Windows TCP clients proceed with normal processing of TCP data that arrives shortly after an RST (i.e., they act as if the RST had not yet been received).

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
suricata
Launchpad, Ubuntu, Debian
impish Does not exist

focal Does not exist

hirsute Does not exist

xenial Needs triage

jammy Not vulnerable
(1:4.0.5-1)
groovy Does not exist

kinetic Not vulnerable
(1:4.0.5-1)
bionic Needs triage

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
lunar Not vulnerable
(1:4.0.5-1)
trusty Does not exist
(trusty was needs-triage)
upstream
Released (1:4.0.5-1)
mantic Not vulnerable
(1:4.0.5-1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N