ISC BIND Zero Length RDATA Denial of Service - High Confidence (CVE-2012-1667)
|Check Point Reference:||CPAI-2013-1269|
|Protection Provided by:||
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
A denial of service vulnerability has been reported in ISC BIND. The 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.
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.
To configure the defense, select your product from the list below and follow the related protection steps.
Security Gateway R75 / R71 / R70
How Can I Protect My Network?
- In the IPS tab, click Protections and find the ISC BIND Zero Length RDATA Denial of Service - High Confidence protection using the Search tool and Edit the protection's settings.
- Install policy on all modules.
How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: DNS Enforcement Violation
Attack Information: ISC BIND Zero Length RDATA Denial of Service - High Confidence