Vulnerability identifier: #VU79842

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39506

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PDF-XChange Editor
Client/Desktop applications / Office applications

Vendor: PDF-XChange

Description

The vulnerability allows a remote attacker to overwrite arbitrary files on the system.

The vulnerability exists due to input validation error when processing directory traversal sequences within the createDataObject method. A remote attacker can trick the victim to open a specially crafted PDF file and compromise the affected system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PDF-XChange Editor: 9.0.350.0 - 10.0.0.370

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External links
http://www.zerodayinitiative.com/advisories/ZDI-23-1147/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.