PDF-XChange Editor EMF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability Advisory ID: ZDI-22-1088 CVE ID: CVE-2022-37360 CVSS Score: 3.3 (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N) Affected Vendor: PDF-XChange Affected Product: 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. Crafted data in an EMF 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 2022-06-07: Vulnerability reported to vendor 2022-08-18: Coordinated public release of advisory Credit Mat Powell of Trend Micro Zero Day Initiative