Advisory Details

August 17th, 2023

PDF-XChange Editor TIF File Parsing Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2023-39491
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	PDF-XChange
AFFECTED PRODUCTS	PDF-XChange Editor
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. 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 TIF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Fixed in PDF-XChange Editor V9 (9.5.368) and V10 (10.0.1) https://www.tracker-software.com/product/pdf-xchange-editor/history
DISCLOSURE TIMELINE	2022-12-29 - Vulnerability reported to vendor 2023-08-17 - Coordinated public release of advisory
CREDIT	hades_kito

BACK TO ADVISORIES