HTML injection in Proofpoint Enterprise Protection email delivery agent



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-5770
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Proofpoint Enterprise Protection
Server applications / DLP, anti-spam, sniffers

Vendor Proofpoint

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU85270

Risk: Medium

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

CVE-ID: CVE-2023-5770

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the email delivery agent. A remote attacker can execute arbitrary HTML code in user's browser in context of vulnerable website via a specially crafted subject.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Proofpoint Enterprise Protection: before 8.18.6 patch 4804

CPE2.3 External links

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0009


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.



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