Advisory Details

October 7th, 2022

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

CVE ID	CVE-2022-42397
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 XPS files. Crafted data in an XPS file can trigger a read past the end of an allocated buffer. 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/product/pdf-xchange-editor/history
DISCLOSURE TIMELINE	2022-08-19 - Vulnerability reported to vendor 2022-10-07 - Coordinated public release of advisory
CREDIT	khangkito - Tran Van Khang (VinCSS)

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