Check Point Advisories

ISC BIND Zero Length RDATA Denial of Service (CVE-2012-1667)

Check Point Reference: CPAI-2012-346
Date Published: 4 Sep 2012
Severity: Critical
Last Updated: Thursday 21 November, 2024
Source: CVE-2012-1667
Protection Provided by:

Security Gateway
R75
Who is Vulnerable? ISC BIND 9.0.x-9.6.x
ISC BIND 9.6-ESV-R7
ISC BIND 9.7.6
ISC BIND 9.8.3
ISC BIND 9.9.1
Vulnerability Description A denial of service vulnerability has been reported in ISC BIND.
Vulnerability DetailsThe vulnerability is due to improper handling of zero-length RDATA in certain record types. A remote attacker can exploit this issue by loading a specially crafted file to the DNS server. Successful exploitation would cause the server to crash, resulting in a denial of service condition.

Protection Overview

This protection will detect and block attempts to crash the target server.

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 ISC BIND Zero Length RDATA Denial of Service 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: DNS Enforcement Violation
Attack Information: ISC BIND Zero Length RDATA Denial of Service

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