QID 43983

Date Published: 2023-02-22

QID 43983: FortiOS Cross-Site Scripting (XSS) Vulnerability (FG-IR-22-224)

An improper neutralization of input during web page generation [CWE-79] vulnerability in FortiOS may allow a remote, unauthenticated attacker to launch a cross site scripting (XSS) attack via the "redir" parameter of the URL seen when the "Sign in with FortiCloud" button is clicked. Affected Versions:
FortiOS version 7.2.0 through 7.2.3
FortiOS version 7.0.0 through 7.0.7

QID Detection Logic (Authenticated):
Detection checks for vulnerable version of FortiOS.

Successful exploitation of the vulnerability may allow a remote, unauthenticated attacker to launch a cross site scripting (XSS) attack via the "redir" parameter of the URL seen when the "Sign in with FortiCloud" button is clicked

CVSS V3 rated as High - 6.1 severity.

CVSS V2 rated as Medium - 5.1 severity.

Solution

Fortinet has released patch addressing the vulnerability. For more information please refer to FG-IR-22-224 Workaround:
Disable "Sign in with FortiCloud" feature using the below command config system global set admin-forticloud-sso-login disable end

Vendor References

FG-IR-22-224 - www.fortiguard.com/psirt/FG-IR-22-224

CVEs related to QID 43983

CVE-2022-41334 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-22-224			www.fortiguard.com/psirt/FG-IR-22-224

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