Advisory Details

September 8th, 2023

Kofax Power PDF PDF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2023-42039
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Kofax
AFFECTED PRODUCTS	Power PDF
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kofax Power PDF. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Fixed in Kofax PowerPDF Advanced version 5.0.0.12 https://docshield.kofax.com/PowerPDF/en_US/5.0.0-3uoz7ssq2b/print/ReadMe-KofaxPowerPDFAdvanced-5.0.0.12.htm
DISCLOSURE TIMELINE	2023-07-06 - Vulnerability reported to vendor 2023-09-08 - Coordinated public release of advisory
CREDIT	Mat Powell of Trend Micro Zero Day Initiative

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