#VU69553 Out-of-bounds read in Foxit PDF Reader for Windows and Foxit PDF Editor (formerly Foxit PhantomPDF) - CVE-2022-43640

Vulnerability identifier: #VU69553

Vulnerability risk: Low

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

CVE-ID: CVE-2022-43640

CWE-ID: CWE-125

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 potentially sensitive information.

The vulnerability exists due to a boundary condition when handling PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Foxit PDF Reader for Windows: 10.0.0.35798 - 12.0.2.1028

Foxit PDF Editor (formerly Foxit PhantomPDF): 10.0.0.35798 - 12.0.2.1028

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External links
https://www.foxit.com/support/security-bulletins.html
https://www.zerodayinitiative.com/advisories/ZDI-22-1660/

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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.