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Category:   Device (Firewall)  >   Cisco ASA Vendors:   Cisco
Cisco ASA Traffic Flow Confidentiality Processing Bug Lets Remote Users Cause the Target System to Crash
SecurityTracker Alert ID:  1041786
SecurityTracker URL:
CVE Reference:   CVE-2018-15397   (Links to External Site)
Date:  Oct 3 2018
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 crash.

A remote user can send specially crafted data to trigger an error that may occur if the device renegotiates the encryption key while Traffic Flow Confidentiality (TFC) via IPsec is in process and cause a daemon on the target device to crash.

The vendor has assigned bug ID CSCuy57310 to this vulnerability.

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

The vendor advisory is available at:

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

Message History:   None.

 Source Message Contents


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Content previously copyright LLC placed in the public domain on December 31, 2019.