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Check Point Advisories

Squid Proxy Digest Nonce Information Disclosure (CVE-2019-18679)

Check Point Reference: CPAI-2019-1767
Date Published: 25 Feb 2020
Severity: High
Last Updated: 25 Feb 2020
Industry Reference:CVE-2019-18679
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Squid Project Squid 3.x through 3.5.28
Squid Project Squid 4.x through 4.8
Vulnerability Description An information disclosure vulnerability has been reported in Squid Proxy. Successful exploitation of this vulnerability would allow remote attackers to gain access to sensitive information.

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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Squid Proxy Digest Nonce Information Disclosure (CVE-2019-18679) 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:  Web Server Enforcement Violation.
Attack Information:  Squid Proxy Digest Nonce Information Disclosure (CVE-2019-18679)

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