Vulnerability · Published Jan 26, 2023 · Assigned by zdi
CVE-2022-42403
High 7.8
In plain English
A high-severity heap buffer overflow in PDF-XChange Editor from PDF-XChange. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Official description
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 PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18892.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PDF-XChange | PDF-XChange Editor | 9.4.363.0 |
Weakness: CWE-122 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H