Advisory Details

September 29th, 2023

PDF-XChange Editor EMF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2023-42112
CVSS SCORE	3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS	PDF-XChange
AFFECTED PRODUCTS	PDF-XChange Editor
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information 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 EMF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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/support/security-bulletins.html
DISCLOSURE TIMELINE	2023-09-13 - Vulnerability reported to vendor 2023-09-29 - Coordinated public release of advisory
CREDIT	Mat Powell of Trend Micro Zero Day Initiative

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