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CVE-2018-10242

Published: 4 April 2019

Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data because SSHParseBanner in app-layer-ssh.c lacks a length check.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
suricata
Launchpad, Ubuntu, Debian
bionic Needed

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Does not exist

hirsute Does not exist

xenial Needed

jammy Not vulnerable
(1:4.0.0-1)
kinetic Not vulnerable
(1:4.0.0-1)
lunar Not vulnerable
(1:4.0.0-1)
groovy Does not exist

impish Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream
Released (1:4.0.0-1)
mantic Not vulnerable
(1:4.0.0-1)

Severity score breakdown

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