Fortinet FortiOS up to 5.6.0 cross site scripting

CVSS Meta Temp Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiOS up to 5.6.0. It has been rated as problematic. The affected element is an unknown function. The manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2017-3133. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Fortinet FortiOS up to 5.6.0 (Firewall Software) and classified as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to execute unauthorized code or commands via the Replacement Message HTML for SSL-VPN.

The bug was discovered 07/28/2017. The weakness was disclosed 07/28/2017 as FG-IR-17-104 as confirmed advisory (Website). It is possible to read the advisory at fortiguard.com. The identification of this vulnerability is CVE-2017-3133 since 12/02/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

A public exploit has been developed by patryk_bogdan and been published immediately after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 102132 (Fortinet FortiOS 5.2.x < 5.2.12 / 5.4.x < 5.4.6 / 5.6.x < 5.6.1 Multiple Vulnerabilities (FG-IR-17-104)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls and running in the context l.

Upgrading to version 5.6.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42388), Tenable (102132) and SecurityFocus (BID 100009†). The entries VDB-105285 and VDB-105286 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: patryk_bogdan
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102132
Nessus Name: Fortinet FortiOS 5.2.x < 5.2.12 / 5.4.x < 5.4.6 / 5.6.x < 5.6.1 Multiple Vulnerabilities (FG-IR-17-104)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: FortiOS 5.6.1

Timelineinfo

12/02/2016 🔍
07/28/2017 +238 days 🔍
07/28/2017 +0 days 🔍
07/28/2017 +0 days 🔍
07/28/2017 +0 days 🔍
07/28/2017 +0 days 🔍
07/28/2017 +0 days 🔍
08/02/2017 +5 days 🔍
08/13/2017 +11 days 🔍
09/11/2017 +29 days 🔍
09/06/2024 +2552 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-17-104
Researcher: Patryk Bogdan
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3133 (🔍)
GCVE (CVE): GCVE-0-2017-3133
GCVE (VulDB): GCVE-100-105287
SecurityFocus: 100009 - FortiOS Multiple Cross Site Scripting Vulnerabilities
SecurityTracker: 1039020

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/14/2017 00:15
Updated: 09/06/2024 09:51
Changes: 08/14/2017 00:15 (76), 12/01/2019 16:17 (6), 01/09/2021 12:12 (2), 01/09/2021 12:17 (1), 09/06/2024 09:51 (15)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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