Vulnerability · Published May 3, 2024 · Assigned by zdi

CVE-2023-42041PDF-XChange Editor Annotation Use-After-Free Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity use-after-free 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 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.0)7.8High

Exploit odds (30 days)0.5%top 58.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

PDF-XChange Editor Annotation Use-After-Free 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 Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20845.

Affected products (as reported)

Vendor	Product	Versions
PDF-XChange	PDF-XChange Editor	9.5.367.0

Weakness: CWE-416 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ZDI-23-1356 x_research-advisory
vendor-provided URL vendor-advisory