Foxit Reader 8.3.2.25013 addAnnot use after free

Summaryinfo

A vulnerability has been found in Foxit Reader 8.3.2.25013 and classified as critical. This impacts the function addAnnot. This manipulation causes use after free. This vulnerability is handled as CVE-2017-16586. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Foxit Reader 8.3.2.25013 (Document Reader Software) and classified as critical. Affected by this vulnerability is the function addAnnot. 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. The summary by CVE is:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.2.25013. 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 addAnnot method. 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 under the context of the current process. Was ZDI-CAN-5295.

The bug was discovered 11/14/2017. The weakness was released 12/20/2017 (Website). It is possible to read the advisory at foxitsoftware.com. This vulnerability is known as CVE-2017-16586 since 11/06/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

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). Entries connected to this vulnerability are available at VDB-82783, VDB-82784, VDB-82785 and VDB-82786. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• Reader

Version

• 8.3.2.25013

License

• free

Website

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

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• 🔍

CPE 2.2info

• 🔍

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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