Advisory Published
Updated

FG-IR-22-477: Access of NULL pointer in SSLVPNd

First published: Tue Mar 07 2023(Updated: )

An access of uninitialized pointer vulnerability [CWE-824] in the SSL-VPN portal of FortiOS & FortiProxy may allow a remote authenticated attacker to crash the sslvpn daemon via an HTTP GET request.

Affected SoftwareAffected VersionHow to fix
FortiOS
Fortinet FortiProxy SSL VPN webmode

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Frequently Asked Questions

  • What is the severity of FG-IR-22-477?

    The severity of FG-IR-22-477 is categorized as high due to the potential for a remote authenticated attacker to crash the sslvpn daemon.

  • How do I fix FG-IR-22-477?

    To fix FG-IR-22-477, update your FortiOS or FortiProxy to the latest version provided by Fortinet that addresses this vulnerability.

  • What impact does FG-IR-22-477 have on my system?

    FG-IR-22-477 can allow a remote authenticated attacker to crash the sslvpn daemon, resulting in denial of service.

  • Who is affected by FG-IR-22-477?

    FG-IR-22-477 affects users of Fortinet FortiOS and FortiProxy with the vulnerable SSL-VPN portal.

  • Is FG-IR-22-477 being actively exploited?

    As of the latest reports, there is no information confirming active exploitation of FG-IR-22-477, but it is advisable to apply patches promptly.

Contact

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