Vulnerability identifier: #VU52360

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-2021-31438

CWE-ID: CWE-121

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 a boundary error within the handling of PSP files. A remote unauthenticated attacker can create a specially crafted PS file, trick the victim into opening it, trigger stack-based buffer overflow 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

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-21-481/

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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.