#VU52957 Use of Uninitialized Variable in Foxit PDF Reader for Windows and Foxit PDF Editor (formerly Foxit PhantomPDF)

Vulnerability identifier: #VU52957

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-457

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 gain access to sensitive information.

The vulnerability exists due to the array access violation resulting from the discrepant information in the form control when users press the Tab key to get focus on a field and input new text in certain XFA forms. A remote attacker can trick the victim into opening a specially crafted PDF file and gain access to sensitive information or crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Foxit PDF Reader for Windows: 9.0 - 10.1.3.37598

Foxit PDF Editor (formerly Foxit PhantomPDF): 9.0 - 9.7.5.29616, 10.0.0.35798 - 10.1.3.37598

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External links
https://www.foxitsoftware.com/support/security-bulletins.html?Security+updates+available+in+Foxit+Reader+10.1.4+and+Foxit+PhantomPDF+10.1.42021-05-06+00%3A00%3A00

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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.