Vulnerability Details : CVE-2023-42051
PDF-XChange Editor U3D File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. 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 U3D files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20924.
Vulnerability category: Execute code
Products affected by CVE-2023-42051
- cpe:2.3:a:pdf-xchange:pdf-xchange_editor:9.5.368.0:*:*:*:*:*:*:*
- cpe:2.3:a:pdf-xchange:pdf-tools:9.5.368.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-42051
1.71%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-42051
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Zero Day Initiative | 2024-05-03 |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | 2025-05-16 |
CWE ids for CVE-2023-42051
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-42051
-
https://www.tracker-software.com/support/security-bulletins.html
PDF-XChange Co Ltd :: Security BulletinsVendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-23-1348/
ZDI-23-1348 | Zero Day InitiativeThird Party Advisory
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