Foxit Reader 9.0.0.29935 U3D CLOD Base Mesh Continuation out-of-bounds write

Summaryinfo

A vulnerability, which was classified as critical, has been found in Foxit Reader 9.0.0.29935. Affected is an unknown function of the component U3D CLOD Base Mesh Continuation Handler. This manipulation causes out-of-bounds write. This vulnerability appears as CVE-2018-10473. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Foxit Reader 9.0.0.29935 (Document Reader Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component U3D CLOD Base Mesh Continuation Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. 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 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 parsing of U3D CLOD Base Mesh Continuation structures. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated structure. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5392.

The bug was discovered 05/04/2018. The weakness was presented 05/17/2018 as confirmed security bulletin (Website). The advisory is shared at foxitsoftware.com. This vulnerability is known as CVE-2018-10473 since 04/27/2018. 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. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 13 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.

See VDB-82783, VDB-82784, VDB-82785 and VDB-82786 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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