Foxit Reader up to 9.2.0.9297 isCompatibleNS use after free

Summaryinfo

A vulnerability marked as critical has been reported in Foxit Reader up to 9.2.0.9297. The affected element is the function isCompatibleNS. The manipulation leads to use after free. This vulnerability is traded as CVE-2018-17664. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Foxit Reader up to 9.2.0.9297 (Document Reader Software). This issue affects the function isCompatibleNS. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. 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 9.2.0.9297. 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 handling of the isCompatibleNS method of a XFA object. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6518.

The bug was discovered 10/11/2018. The weakness was shared 01/24/2019 (Website). The advisory is shared at foxitsoftware.com. The identification of this vulnerability is CVE-2018-17664 since 09/28/2018. 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 was handled as a non-public zero-day exploit for at least 104 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The entries VDB-82783, VDB-82784, VDB-82785 and VDB-82786 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• Reader

Version

• 9.2.0.9297

License

• free

Website

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

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CPE 2.2info

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Entryinfo

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

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