Foxit Reader 9.0.0.29935 setTimeOut information disclosure

Summaryinfo

A vulnerability labeled as critical has been found in Foxit Reader 9.0.0.29935. The affected element is the function setTimeOut. Executing a manipulation can lead to information disclosure. The identification of this vulnerability is CVE-2018-9946. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Foxit Reader 9.0.0.29935 (Document Reader Software) and classified as critical. This vulnerability affects the function setTimeOut. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.0.0.29935. 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 setTimeOut 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 in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-5471.

The bug was discovered 04/20/2018. The weakness was shared 05/17/2018 as confirmed security bulletin (Website). The advisory is shared for download at foxitsoftware.com. This vulnerability was named CVE-2018-9946 since 04/10/2018. 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 MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370955 (Foxit Reader sensitive information disclosure vulnerability).

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 related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• Reader

Version

• 9.0.0.29935

License

• free

Website

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

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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