#VU47156 Incorrect default permissions in Foxit PDF Reader for Windows and Foxit PDF Editor (formerly Foxit PhantomPDF) - CVE-2020-17415

Vulnerability identifier: #VU47156

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-17415

CWE-ID: CWE-276

Exploitation vector: Local

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 local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for the configuration files used by the Foxit PhantomPDF Update Service. A local user with access to the system can view contents of files and directories or modify them.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code with SYSTEM privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Foxit PDF Reader for Windows: 9.0 - 10.0.1.35811

Foxit PDF Editor (formerly Foxit PhantomPDF): 9.0 - 9.7.3.29555, 10.0.0.35798 - 10.0.1.35811

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External links
https://www.zerodayinitiative.com/advisories/ZDI-20-1232/
https://www.foxitsoftware.com/support/security-bulletins.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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