Check Point Advisories

Memcached process_bin_update body_len Integer Overflow (CVE-2016-8705)

Check Point Reference: CPAI-2016-1052
Date Published: 29 Nov 2016
Severity: Medium
Last Updated: Thursday 15 December, 2016
Source: Memcached
Industry Reference:CVE-2016-8705
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Memcached Project Memcached prior to 1.4.33
Vulnerability Description An integer overflow vulnerability exists in memcached. This vulnerability is due to an integer overflow in the process_bin_update() function while processing multiple commands and the body_len parameter of a Memcached binary protocol packet. A remote unauthenticated attacker can exploit these vulnerabilities by sending a specially crafted packet to memcached. This can lead to a buffer overflow and possible code execution in the context of the user. If code execution is unsuccessful, a denial of service condition may result.

Protection Overview

This protection will detect and block 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 Memcached process_bin_update body_len Integer Overflow 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:  Application Servers Protection Violation.
Attack Information:  Memcached process_bin_update body_len Integer Overflow

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