SB2023072608 - Multiple vulnerabilities in Zimbra Collaboration



SB2023072608 - Multiple vulnerabilities in Zimbra Collaboration

Published: July 26, 2023

Security Bulletin ID SB2023072608
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2023-0464)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when verifying X.509 certificate chains that include policy constraints. A remote attacker can create a specially crafted certificate to trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Information disclosure (CVE-ID: CVE-2023-38750)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to exposure of internal JSP and XML files. A remote attacker can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.