Check Point Advisories

Dhcpcd Packet Size Stack Buffer Overflow (CVE-2012-2152)

Check Point Reference: CPAI-2012-327
Date Published: 30 Jul 2012
Severity: Critical
Last Updated: Friday 29 March, 2024
Source: CVE-2012-2152
Protection Provided by:

Security Gateway
R75

Who is Vulnerable? Dhcpcd Dhcpcd 3.2.3
Vulnerability Description A stack buffer overflow vulnerability has been reported in dhcpcd.
Vulnerability DetailsThe vulnerability is due to insufficient validation of a packet's size by a DHCP client. A remote attacker could exploit this issue by sending a specially crafted packet to the target host. Successful exploitation would allow an attacker to inject arbitrary code into the target DHCP Client.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

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

Security Gateway R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Dhcpcd Packet Size Stack Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: DHCP Protection Violation
Attack Information: Dhcpcd Packet Size Stack Buffer Overflow

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