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Category:   Device (Embedded Server/Appliance)  >   Cisco Email Security Appliance Vendors:   Cisco
Cisco Email Security Appliance DGN File Filtering Bug Lets Remote Users Consume Excessive Memory Resources
SecurityTracker Alert ID:  1037123
SecurityTracker URL:
CVE Reference:   CVE-2016-1481   (Links to External Site)
Date:  Oct 27 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 8.0, 8.5, 9.0, 9.1, 9.5, 9.6, 9.7, 10.0
Description:   A vulnerability was reported in Cisco Email Security Appliance. A remote user can consume excessive memory on the target system.

A remote user can send an email message with a specially crafted Design (DGN) file attachment to consume excessive memory while the message is filtered on the target system, causing the filtering process to restart and attempt to filter the message again.

The vendor has assigned bug ID CSCux59873 to this vulnerability.

Impact:   A remote user can consume excessive memory resources on the target system and cause the target filtering process to restart.
Solution:   The vendor has issued a fix (9.1.1-038, 9.7.1-066, 10.0.0-124).

The vendor advisory is available at:

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

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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