Vulnerability Details : CVE-2023-40472
PDF-XChange Editor JavaScript String Untrusted Pointer Dereference 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 handling of strings. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20730.
Vulnerability category: Execute code
Products affected by CVE-2023-40472
- 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-2023-40472
0.48%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-40472
| 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 | 2025-05-19 |
CWE ids for CVE-2023-40472
-
The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-40472
-
https://www.zerodayinitiative.com/advisories/ZDI-23-1149/
ZDI-23-1149 | Zero Day InitiativeThird Party Advisory
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