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CVE-2019-17420

Published: 10 October 2019

In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
libhtp
Launchpad, Ubuntu, Debian
bionic Needs triage

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(1:0.5.31-1)
trusty Does not exist

upstream
Released (1:0.5.31-1)
xenial Needs triage

impish Not vulnerable
(1:0.5.31-1)
groovy Not vulnerable
(1:0.5.31-1)
hirsute Not vulnerable
(1:0.5.31-1)
jammy Not vulnerable
(1:0.5.31-1)
kinetic Not vulnerable
(1:0.5.31-1)
lunar Not vulnerable
(1:0.5.31-1)
mantic Not vulnerable
(1:0.5.31-1)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N