Check Point Advisories

Cisco Unity Express Insecure Deserialization (CVE-2018-15381)

Check Point Reference: CPAI-2018-2134
Date Published: 22 Nov 2022
Severity: Critical
Last Updated: Tuesday 22 November, 2022
Source:
Industry Reference:CVE-2018-15381
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Cisco Unity Express before v9.0.6
Vulnerability Description An insecure deserialization vulnerability exists in Cisco Unity Express. Successful exploitation of this vulnerability would allow remote attackers to send a specially crafted serialized object to the vulnerable server.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Cisco Unity Express Insecure Deserialization (CVE-2018-15381) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Cisco Protection Violation.
Attack Information:  Cisco Unity Express Insecure Deserialization (CVE-2018-15381)

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