SB2024011034 - HTML injection in Proofpoint Enterprise Protection email delivery agent



SB2024011034 - HTML injection in Proofpoint Enterprise Protection email delivery agent

Published: January 10, 2024

Security Bulletin ID SB2024011034
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Cross-site scripting (CVE-ID: CVE-2023-5770)

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

CVSSv4: 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


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.



Remediation

Install update from vendor's website.