#VU4403 Memory corruption in Foxit PDF Editor (formerly Foxit PhantomPDF)

Vulnerability identifier: #VU4403

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
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 vulnerable system.

The vulnerability exists due to an error in ConvertToPDF when parsing TIFF images in PhantomPDF. A remote attacker can create a specially rafted PDF file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.

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

Mitigation
Install the latest version 8.2 from vendor's website.

Vulnerable software versions

Foxit PDF Editor (formerly Foxit PhantomPDF): 8.0 - 8.1.1.1115

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External links
https://www.foxitsoftware.com/support/security-bulletins.php
https://www.zerodayinitiative.com/advisories/ZDI-17-042/

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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.