#VU73184 Code Injection in Proofpoint Enterprise Protection - CVE-2023-0090

Vulnerability identifier: #VU73184

Vulnerability risk: Critical

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red]

CVE-ID: CVE-2023-0090

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Proofpoint Enterprise Protection
Server applications / DLP, anti-spam, sniffers

Vendor: Proofpoint

Description

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

The vulnerability exists due to improper input validation in the webservices API. A remote non-authenticated attacker can send a specially crafted request and execute arbitrary perl 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

Proofpoint Enterprise Protection: before 8.13.22

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External links
https://www.proofpoint.com/security/security-advisories/pfpt-sa-2023-0001
https://www.proofpoint.com/us/node/124741

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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.