VDB-120033 · CVE-2018-1355 · BID 104546

Fortinet FortiManager/FortiAnalyzer up to 6.0.0 FortiView PDF Document redirect

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Fortinet FortiManager and FortiAnalyzer up to 6.0.0. Affected by this issue is some unknown functionality of the component FortiView. Performing a manipulation as part of PDF Document results in redirect. This vulnerability was named CVE-2018-1355. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Fortinet FortiManager and FortiAnalyzer up to 6.0.0. This affects an unknown code of the component FortiView. The manipulation as part of a PDF Document leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An open redirect vulnerability in Fortinet FortiManager 6.0.0 and below versions, FortiAnalyzer 6.0.0 and below versions allows attacker to inject script code during converting a HTML table to a PDF document under the FortiView feature. An attacker may be able to social engineer an authenticated user into generating a PDF file containing injected malicious URLs.

The bug was discovered 06/22/2018. The weakness was presented 06/27/2018 (Website). The advisory is shared at fortiguard.com. This vulnerability is uniquely identified as CVE-2018-1355 since 12/11/2017. It is possible to initiate the attack remotely. A authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104546†). See VDB-120032 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Fortinet

Name

Version

License

commercial

Website

Vendor: https://www.fortinet.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/11/2017 🔍
06/22/2018 +193 days 🔍
06/22/2018 +0 days 🔍
06/27/2018 +4 days 🔍
06/27/2018 +0 days 🔍
06/28/2018 +1 days 🔍
03/29/2023 +1735 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: fortiguard.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1355 (🔍)
GCVE (CVE): GCVE-0-2018-1355
GCVE (VulDB): GCVE-100-120033
SecurityFocus: 104546 - Fortinet FortiAnalyzer and FortiManager CVE-2018-1355 Open Redirect Vulnerability
SecurityTracker: 1041184

See also: 🔍

Entryinfo

Created: 06/28/2018 08:37
Updated: 03/29/2023 09:47
Changes: 06/28/2018 08:37 (61), 02/22/2020 20:42 (4), 03/29/2023 09:47 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.