Vulnerability identifier: #VU52355

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-2021-31435

CWE-ID: CWE-457

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Foxit Studio Photo
Client/Desktop applications / Office applications

Vendor: Foxit Software Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an uninitialized variable within the parsing of CMP files. A remote attacker can trick the victim to open a specially crafted CMP file and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Foxit Studio Photo: 3.6.6.918 - 3.6.6.933

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External links
http://www.foxitsoftware.com/support/security-bulletins.html?Security+update+available+in+Foxit+Studio+Photo+3.6.6.9342021-04-20+00%3A00%3A00
http://www.zerodayinitiative.com/advisories/ZDI-21-478/

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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.