CVE-2025-0905
Published: 11 February 2025
Description
PDF-XChange Editor JB2 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability. 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 JB2 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. Was ZDI-CAN-25433.
Security Summary
CVE-2025-0905 is an out-of-bounds read information disclosure vulnerability in the JB2 file parsing component of PDF-XChange Editor. The issue stems from a lack of proper validation of user-supplied data, resulting in a read past the end of an allocated object. This flaw affects installations of PDF-XChange Editor and was originally tracked as ZDI-CAN-25433.
Remote attackers can exploit the vulnerability to disclose sensitive information, but user interaction is required, such as the target visiting a malicious web page or opening a malicious file. While primarily an information disclosure issue, attackers can leverage it in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. The CVSS v3.1 base score is 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), mapped to CWE-125.
The Zero Day Initiative advisory ZDI-25-067, available at https://www.zerodayinitiative.com/advisories/ZDI-25-067/, provides additional details on the vulnerability.
Details
- CWE(s)