Multiple vulnerabilities in Fortinet FortiADC



Published: 2022-11-02 | Updated: 2023-03-04
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-38381
CVE-2022-38374
CWE-ID CWE-228
CWE-79
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
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FortiADC
Server applications / Other server solutions

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Handling of Syntactically Invalid Structure

EUVDB-ID: #VU68915

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38381

CWE-ID: CWE-228 - Improper Handling of Syntactically Invalid Structure

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper handling of malformed request. A remote attacker can bypass some Web Application Firewall (WAF) protection, leading to SQL Injection and XSS via a malformed HTTP request.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiADC: 5.0.0 - 7.0.2

External links

http://fortiguard.fortinet.com/psirt/FG-IR-22-234


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Stored cross-site scripting

EUVDB-ID: #VU68916

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-38374

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: Yes

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Log pages. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiADC: 6.2.0 - 7.0.2

External links

http://fortiguard.fortinet.com/psirt/FG-IR-22-232


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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