Fortinet FortiOS up to 5.2/5.4.2/5.6.2 SSL VPN Web Portal Session information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.00 |
A vulnerability was found in Fortinet FortiOS up to 5.2/5.4.2/5.6.2 (Firewall Software). It has been rated as problematic. Affected by this issue is some unknown functionality of the component SSL VPN Web Portal Session Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:
An Information Disclosure vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.5, 5.2 and below versions allow an admin user with super_admin privileges to view the current SSL VPN web portal session info which may contains user credentials through the fnsysctl CLI command.
The bug was discovered 05/15/2017. The weakness was disclosed 12/13/2017 (Website). The advisory is shared for download at fortiguard.com. This vulnerability is handled as CVE-2017-7738 since 04/12/2017. The attack may be launched remotely. A simple authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.
The vulnerability was handled as a non-public zero-day exploit for at least 212 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110415 (Fortinet FortiGate <= 5.2.x / 5.4.x < 5.4.9 / 5.6.x < 5.6.3 Multiple Vulnerabilities (FG-IR-17-231, FG-IR-17-245 and FG-IR-17-172)), 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 eliminates this vulnerability. A possible mitigation has been published 6 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (110415). The entries 118158 and 118205 are pretty similar.
Product
Type
Vendor
Name
Version
- 5.0
- 5.0.2
- 5.0.3
- 5.0.4
- 5.0.5
- 5.0.6
- 5.0.7
- 5.0.8
- 5.0.9
- 5.1
- 5.2
- 5.2.0
- 5.2.1
- 5.2.2
- 5.2.3
- 5.2.4
- 5.2.5
- 5.2.6
- 5.2.8
- 5.2.9
- 5.2.10
- 5.2.11
- 5.2.12
- 5.4.0
- 5.4.1
- 5.4.2
- 5.4.3
- 5.4.4
- 5.4.5
- 5.4.6
- 5.4.7
- 5.4.8
- 5.4.9
- 5.6.0
- 5.6.1
- 5.6.2
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.7VulDB Meta Temp Score: 5.6
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.2
NVD Vector: 🔍
CVSSv2
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: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592
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 |
Nessus ID: 110415
Nessus Name: Fortinet FortiGate <= 5.2.x / 5.4.x < 5.4.9 / 5.6.x < 5.6.3 Multiple Vulnerabilities (FG-IR-17-231, FG-IR-17-245 and FG-IR-17-172)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
04/12/2017 🔍05/15/2017 🔍
12/12/2017 🔍
12/13/2017 🔍
12/13/2017 🔍
12/14/2017 🔍
05/18/2018 🔍
06/08/2018 🔍
01/27/2021 🔍
Sources
Vendor: fortinet.comAdvisory: fortiguard.com
Researcher: Jean-Noel Meurisse, Solvay S.A.
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-7738 (🔍)
SecurityFocus: 102151 - Fortinet FortiOS CVE-2017-7738 Information Disclosure Vulnerability
See also: 🔍
Entry
Created: 12/14/2017 07:55Updated: 01/27/2021 11:50
Changes: 12/14/2017 07:55 (66), 12/15/2019 08:45 (10), 01/27/2021 11:50 (2)
Complete: 🔍
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