Vulnerability identifier: #VU79857

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39491

CWE-ID: CWE-416

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 compromise vulnerable system.

The vulnerability exists due to a use-after-free error when parsing TIFF files. A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates 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-23-1132/

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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.