Foxit Reader 9.1.0.5096 PDF Document use after free

Summaryinfo

A vulnerability, which was classified as critical, has been found in Foxit Reader 9.1.0.5096. This impacts an unknown function. The manipulation as part of PDF Document leads to use after free. This vulnerability is uniquely identified as CVE-2018-14293. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Foxit Reader 9.1.0.5096 (Document Reader Software). It has been rated as critical. This issue affects an unknown functionality. The manipulation as part of a PDF Document 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 9.1.0.5096. 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 parsing of PDF documents. By manipulating a document's elements, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-6233.

The bug was discovered 07/19/2018. The weakness was disclosed 07/31/2018 (Website). The advisory is shared at foxitsoftware.com. The identification of this vulnerability is CVE-2018-14293 since 07/16/2018. 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. Neither technical details nor an exploit are publicly 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.

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

Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• Reader

Version

• 9.1.0.5096

License

• free

Website

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

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

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