A vulnerability was found in Fortinet FortiOS (Firewall Software) (the affected version is unknown). It has been declared as problematic. This vulnerability affects an unknown code of the component Dailup List. The manipulation with an unknown input leads to a cross site scripting vulnerability (Persistent). The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity.

The weakness was disclosed 01/26/2012 by Benjamin Kunz Mejri as VL-ID 144 as not defined advisory (Website). The advisory is shared for download at vulnerability-lab.com. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is needed for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed by Benjamin Kunz Mejri and been published immediately after the advisory. It is possible to download the exploit at vulnerability-lab.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (72761). Additional details are provided at sans.org. The entries 91311, 91313, 91314 and 91315 are pretty similar.

Productinfo

Type

• Firewall Software

Vendor

• Fortinet

Name

• FortiOS

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

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