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CVE-2019-1010251

Published: 18 July 2019

Open Information Security Foundation Suricata prior to version 4.1.2 is affected by: Denial of Service - DNS detection bypass. The impact is: An attacker can evade a signature detection with a specialy formed network packet. The component is: app-layer-detect-proto.c, decode.c, decode-teredo.c and decode-ipv6.c (https://github.com/OISF/suricata/pull/3590/commits/11f3659f64a4e42e90cb3c09fcef66894205aefe, https://github.com/OISF/suricata/pull/3590/commits/8357ef3f8ffc7d99ef6571350724160de356158b). The attack vector is: An attacker can trigger the vulnerability by sending a specifically crafted network request. The fixed version is: 4.1.2.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

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

groovy Does not exist

hirsute Does not exist

jammy Not vulnerable
(1:4.1.2-2)
kinetic Not vulnerable
(1:4.1.2-2)
xenial Needed

lunar Not vulnerable
(1:4.1.2-2)
bionic Needed

disco Ignored
(end of life)
eoan Ignored
(end of life)
impish Does not exist

trusty Does not exist

upstream
Released (1:4.1.2-2)
mantic Not vulnerable
(1:4.1.2-2)

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 None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H