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Category:   Device (Firewall)  >   Cisco ASA Vendors:   Cisco
Cisco ASA Local Certificate Authority Enrollment Bug Lets Remote Users Cause the Target System to Reload
SecurityTracker Alert ID:  1037060
SecurityTracker URL:
CVE Reference:   CVE-2016-6431   (Links to External Site)
Date:  Oct 19 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.0, 8.1, 8.2, 8.3, 8.4, 8.6, 9.0, 9.1, 9.2, 9.3, 9.4, 9.5, 9.6
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 enrollment request to the target system via HTTPS to trigger a flaw in the Certificate Authority (CA) enrollment feature and cause the target system to reload.

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

Systems with the local CA feature configured are affected.

The vendor has assigned bug ID CSCuz47295 to this vulnerability.

Impact:   A remote user can cause the target system to reload.
Solution:   The vendor has issued a fix (9.0(4.42), 9.1(7.7), 9.2(4.13), 9.3(3.11), 9.4(3.6), 9.5(3), 9.6(1.5)).

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   State error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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