#VU97479 Use-after-free in PDF-XChange products - CVE-2024-8821

Vulnerability identifier: #VU97479

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-8821

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PDF-XChange Editor
Client/Desktop applications / Office applications
PDF-Tools
Client/Desktop applications / Office applications
PDF-XChange PRO
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. A remote attacker can trick a victim to open a specially crafted U3D file and gain access to sensitive information on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PDF-XChange Editor: before 10.3.1.387

PDF-Tools: before 10.3.1.387

PDF-XChange PRO: before 10.3.1.387

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External links
https://www.zerodayinitiative.com/advisories/ZDI-24-1244/
https://www.pdf-xchange.com/index.php/support/security-bulletins.html

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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.