#VU101823 Improper verification of cryptographic signature in Foxit PDF Reader for Windows and Foxit PDF Editor (formerly Foxit PhantomPDF)

Vulnerability identifier: #VU101823

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-347

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 perform spoofing attack.

The vulnerability exists due to the application improperly ignores the changes to the “/NeedsRendering” key or “TextField” field when verifying the XFA documents. A remote attacker perform spoofing attack and make users believe that the document is properly signed.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Foxit PDF Reader for Windows: 11.0.0.49893 - 2024.3.0.26795

Foxit PDF Editor (formerly Foxit PhantomPDF): 11.0.0.0510 - 13.1.4.23147, 2023.1.0.15510 - 2024.3.0.26795

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External links
https://www.foxitsoftware.com/support/security-bulletins.html?Security+updates+available+in+Foxit+PDF+Reader+2024.4+and+Foxit+PDF+Editor+2024.4%2F13.1.52024-12-17+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.