Foxit Reader 8.3.1.21155 XFAScriptObject Object setFocus type conversion

Summaryinfo

A vulnerability was found in Foxit Reader 8.3.1.21155. It has been rated as critical. This issue affects the function setFocus of the component XFAScriptObject Object Handler. The manipulation leads to type conversion. This vulnerability is listed as CVE-2017-14830. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Foxit Reader 8.3.1.21155 (Document Reader Software). This issue affects the function setFocus of the component XFAScriptObject Object Handler. The manipulation with an unknown input leads to a type conversion vulnerability. Using CWE to declare the problem leads to CWE-704. The product does not correctly convert an object, resource, or structure from one type to a different type. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the setFocus method of XFAScriptObject objects. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this to execute code in the context of the current process. Was ZDI-CAN-5022.

The bug was discovered 11/14/2017. The weakness was presented 12/20/2017 (Website). The advisory is shared at foxitsoftware.com. The identification of this vulnerability is CVE-2017-14830 since 09/27/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 104742 (Foxit PhantomPDF < 8.3.5 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104742). See VDB-82783, VDB-82784, VDB-82785 and VDB-82786 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• Reader

Version

• 8.3.1.21155

License

• free

Website

• Vendor: https://www.foxitsoftware.com/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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