CVE-2019-17420

CVSS V2 Medium 5 CVSS V3 Medium 5.3

Description

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.

Overview

CVE ID
CVE-2019-17420

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2019-10-10T01:06:09

Last Modified Date
2021-07-21T11:39:23

Weakness Enumerations

CWE	URL
CWE-459	http://cwe.mitre.org/data/definitions/459.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:oisf:libhtp::::::::	1	OR		0.5.31
cpe:2.3:a:suricata-ids:suricata:4.1.4:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
NONE

Base Score
5.3

Base Severity
MEDIUM

Exploitability Score
3.9

Impact Score
1.4

References

Reference URL	Reference Tags
https://redmine.openinfosecfoundation.org/issues/2969	Issue Tracking Vendor Advisory
https://github.com/OISF/libhtp/pull/213	Patch Third Party Advisory
https://github.com/OISF/libhtp/compare/0.5.30...0.5.31	Patch

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-17420
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17420

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:09:44				Added to TrackCVE
2022-12-04 04:06:07	2019-10-10T01:06Z	2019-10-10T01:06:09	CVE Published Date	updated
2022-12-04 04:06:07		2021-07-21T11:39:23	CVE Modified Date	updated
2022-12-04 04:06:07		Analyzed	Vulnerability Status	updated