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Fortinet Fortigate ][Web filtering] Host header is vulnerable to an XSS vulnerability and redirection/injection (FG-IR-19-301)

medium Nessus Plugin ID 209756

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Synopsis

Fortinet Firewall is missing one or more security-related updates.

Description

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-19-301 advisory.

 - The vulnerability exists due to insufficient sanitization of user-supplied data when processing HTTP headers. A remote attacker can send a specially crafted Host header and execute arbitrary HTML and script code in user's browser in context of vulnerable website. (CVE-2019-16151)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Please upgrade to FortiOS version 6.2.10/6.4.2 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-19-301

Plugin Details

Severity: Medium

ID: 209756

File Name: fortigate_FG-IR-19-301.nasl

Version: 1.2

Type: local

Family: Firewalls

Published: 10/27/2024

Updated: 10/28/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2019-16151

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/model, Host/Fortigate/version

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2019-16151