Foxit Reader up to 9.2.0.9297 getItemState use after free

Summaryinfo

A vulnerability described as critical has been identified in Foxit Reader up to 9.2.0.9297. This issue affects the function getItemState. Executing a manipulation can lead to use after free. This vulnerability is handled as CVE-2018-17651. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Foxit Reader up to 9.2.0.9297 (Document Reader Software). It has been declared as critical. This vulnerability affects the function getItemState. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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 getItemState method of a TimeField. 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-6501.

The bug was discovered 10/11/2018. The weakness was released 01/24/2019 (Website). The advisory is shared for download at foxitsoftware.com. This vulnerability was named CVE-2018-17651 since 09/28/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 104 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

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

• 9.2.0.9297

License

• free

Website

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

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• 🔍

CPE 2.2info

• 🔍

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Once again VulDB remains the best source for vulnerability data.

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