Foxit Reader 8.3.1.21155 SIZ Marker out-of-bounds

Summaryinfo

A vulnerability classified as problematic has been found in Foxit Reader 8.3.1.21155. The impacted element is an unknown function of the component SIZ Marker Handler. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2017-14822. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Foxit Reader 8.3.1.21155 (Document Reader Software). This affects some unknown processing of the component SIZ Marker Handler. 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. The summary by CVE is:

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 8.3.1.21155. 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 the xOsiz member of SIZ markers. 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 code in the context of the current process. Was ZDI-CAN-5014.

The bug was discovered 11/14/2017. The weakness was published 12/20/2017 (Website). The advisory is shared at foxitsoftware.com. This vulnerability is uniquely identified as CVE-2017-14822 since 09/27/2017. 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. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 36 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. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• Reader

Version

• 8.3.1.21155

License

• free

Website

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

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CPE 2.2info

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Entryinfo

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

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