Keep Track of the Latest Vulnerabilities
with SecurityTracker!
    Home    |    View Topics    |    Search    |    Contact Us    |   


Sign Up
Sign Up for Your FREE Weekly SecurityTracker E-mail Alert Summary
Instant Alerts
Buy our Premium Vulnerability Notification Service to receive customized, instant alerts
Put SecurityTracker Vulnerability Alerts on Your Web Site -- It's Free!
Become a Partner and License Our Database or Notification Service
Report a Bug
Report a vulnerability that you have found to SecurityTracker

Category:   Device (Firewall)  >   Cisco ASA Vendors:   Cisco
Cisco ASA DNS Response Message Processing Bug Lets Remote Users Cause the Target System to Reload
SecurityTracker Alert ID:  1038319
SecurityTracker URL:
CVE Reference:   CVE-2017-6607   (Links to External Site)
Date:  Apr 20 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco ASA. A remote user can cause the target system to reload.

A remote user can return a specially crafted DNS response to the target system to trigger a flaw in the processing of DNS response messages and cause the target system to reload or corrupt information in the target system's local DNS cache.

Systems configured in routed or transparent firewall mode and single or multiple context mode are affected.

The following models are affected:

ASA 1000V Cloud Firewall
ASA 5500 Series Adaptive Security Appliances
ASA 5500-X Series Next-Generation Firewalls
ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers
Adaptive Security Virtual Appliance (ASAv)
Firepower 9300 ASA Security Module
ISA 3000 Industrial Security Appliance

The vendor has assigned bug ID CSCvb40898 to this vulnerability.

Impact:   A remote user can cause the target system to reload or corrupt information in the target system's local DNS cache.
Solution:   The vendor has issued a fix (9.1(7.12), 9.2(4.18), 9.4(3.12), 9.5(3.2), 9.6(2.2)).

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Input validation error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

Go to the Top of This SecurityTracker Archive Page

Home   |    View Topics   |    Search   |    Contact Us

Copyright 2017, LLC