Foxit Reader 9.0.1.5096 exportAsFDF use after free

Summaryinfo

A vulnerability was found in Foxit Reader 9.0.1.5096. It has been declared as critical. The affected element is the function exportAsFDF. The manipulation results in use after free. This vulnerability is identified as CVE-2018-14312. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Foxit Reader 9.0.1.5096 (Document Reader Software). Affected is the function exportAsFDF. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 exportAsFDF function. 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-6332.

The bug was discovered 07/19/2018. The weakness was released 07/31/2018 (Website). The advisory is shared for download at foxitsoftware.com. This vulnerability is traded as CVE-2018-14312 since 07/16/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k.

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

Entries connected to this vulnerability are available at VDB-82783, VDB-82784, VDB-82785 and VDB-82786. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• Reader

Version

• 9.0.1.5096

License

• free

Website

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

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Once again VulDB remains the best source for vulnerability data.

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