Fortinet FortiOS/FortiProxy TCP channel accessible

Summaryinfo

A vulnerability marked as problematic has been reported in Fortinet FortiOS and FortiProxy. This impacts an unknown function of the component TCP Handler. The manipulation leads to channel accessible. This vulnerability is listed as CVE-2024-50568. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Fortinet FortiOS and FortiProxy (the affected version is unknown). It has been rated as problematic. This issue affects an unknown code of the component TCP Handler. The manipulation with an unknown input leads to a channel accessible vulnerability. Using CWE to declare the problem leads to CWE-300. The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint. Impacted is integrity. The summary by CVE is:

A channel accessible by non-endpoint vulnerability [CWE-300] in Fortinet FortiOS version 7.4.0 through 7.4.3, 7.2.0 through 7.2.7 and before 7.0.14 & FortiProxy version 7.4.0 through 7.4.3, 7.2.0 through 7.2.9 and before 7.0.16 allows an unauthenticated attacker with the knowledge of device specific data to spoof the identity of a downstream device of the security fabric via crafted TCP requests.

It is possible to read the advisory at fortiguard.fortinet.com. The identification of this vulnerability is CVE-2024-50568 since 10/24/2024. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1557 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 238110 (Fortinet Fortigate Weak authentication in security fabric daemon (FG-IR-24-058)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (238110). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• Fortinet

Name

• FortiOS
• FortiProxy

License

• commercial

Website

• Vendor: https://www.fortinet.com/

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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