Vulnerability identifier: #VU12043

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-3842

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Foxit PDF Reader for Windows
Client/Desktop applications / Office applications
Foxit PDF Editor (formerly Foxit PhantomPDF)
Client/Desktop applications / Office applications

Vendor: Foxit Software Inc.

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error. A remote attacker can use of uninitialized new Uint32Array object or member variables in PrintParams or m_pCurContex objects, trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Update to version 9.1.

Vulnerable software versions

Foxit PDF Reader for Windows: 8.0.0 - 9.0.1.1049

Foxit PDF Editor (formerly Foxit PhantomPDF): 9.0 - 9.0.1.1049, 8.0 - 8.3.5, 7.3.11.1122 - 7.3.15.712

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External links
http://www.foxitsoftware.com/support/security-bulletins.php

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.