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Category:   Device (Firewall)  >   Cisco ASA Vendors:   Cisco
Cisco ASA Input Validation Flaw in Direct Authentication Lets Remote Users Cause the Target System to Reload
SecurityTracker Alert ID:  1039503
SecurityTracker URL:
CVE Reference:   CVE-2017-12246   (Links to External Site)
Date:  Oct 4 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 send a specially crafted HTTP request to the target system to trigger an input validation flaw in processing of HTTP headers in the direct authentication feature and cause the target system to reload.

The following models are affected:

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
ASA 1000V Cloud Firewall
Adaptive Security Virtual Appliance (ASAv)
Firepower 4110 Security Appliance
Firepower 9300 ASA Security Module
ISA 3000 Industrial Security Appliance

The vendor has assigned bug ID CSCvd59063 to this vulnerability.

Impact:   A remote user can cause the target system to reload.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

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

Message History:   None.

 Source Message Contents



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