Advisory Details

March 31st, 2023

PDF-XChange Editor PNG File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

CVE ID	CVE-2023-27340
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 PNG files. Crafted data in a PNG file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	PDF-XChange has issued an update to correct this vulnerability. More details can be found at: https://www.tracker-software.com/product/pdf-xchange-editor/history
DISCLOSURE TIMELINE	2022-09-28 - Vulnerability reported to vendor 2023-03-31 - Coordinated public release of advisory
CREDIT	Rocco Calvi (@TecR0c) with TecSecurity

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