#VU74286 Untrusted Pointer Dereference in PDF-XChange Editor - CVE-2023-27342

Vulnerability identifier: #VU74286

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-27342

CWE-ID: CWE-822

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 execute arbitrary code on the target system.

The vulnerability exists due to untrusted pointer dereference within the parsing of EMF files. A remote attacker can trick a victim to open a specially crafted EMF file and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PDF-XChange Editor: before 9.5.367.0

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External links
https://www.zerodayinitiative.com/advisories/ZDI-23-354/
https://www.tracker-software.com/product/pdf-xchange-editor/history

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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.