2021-32602 | Fortinet FortiPortal GUI Web Page Generation cross site scripting (FG-IR-20-066)
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A vulnerability classified as problematic was found in Fortinet FortiPortal GUI up to 6.0.4. This vulnerability affects some unknown processing of the component Web Page Generation Handler. The manipulation of the argument
org.springframework.web.servlet.i18n.CookieLocaleResolver.LOCALE with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. As an impact it is known to affect integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors. CVE summarizes:
An improper neutralization of input during web page generation vulnerability (CWE-79) in FortiPortal GUI 6.0.4 and below, 5.3.6 and below, 5.2.6 and below, 5.1.2 and below, 5.0.3 and below, 4.2.2 and below, 4.1.2 and below, 4.0.4 and below may allow a remote and unauthenticated attacker to perform an XSS attack via sending a crafted request with an invalid lang parameter or with an invalid org.springframework.web.servlet.i18n.CookieLocaleResolver.LOCALE value.
The weakness was published 08/19/2021 as FG-IR-20-066. The advisory is shared for download at fortiguard.com. This vulnerability was named CVE-2021-32602 since 05/11/2021. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.
Upgrading eliminates this vulnerability.
VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1
Status: Not defined
0-Day Time: 🔒
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