Foxit Reader 9.0.1.1049 ConvertToPDF_x86.dll out-of-bounds

Summaryinfo

A vulnerability identified as critical has been detected in Foxit Reader 9.0.1.1049. This affects an unknown part in the library ConvertToPDF_x86.dll. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2018-11620. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Foxit Reader 9.0.1.1049 (Document Reader Software). This affects some unknown functionality in the library ConvertToPDF_x86.dll. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.0.1.1049. 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 ConvertToPDF_x86.dll. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-5756.

The bug was discovered 07/19/2018. The weakness was published 07/31/2018 (Website). It is possible to read the advisory at foxitsoftware.com. This vulnerability is uniquely identified as CVE-2018-11620 since 05/31/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 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.

Similar entries are available at VDB-82783, VDB-82784, VDB-82785 and VDB-82786. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• Reader

Version

• 9.0.1.1049

License

• free

Website

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

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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