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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS/IOS XE EnergyWise Packet Processing Bugs Let Remote Users Cause the Target System to Crash
SecurityTracker Alert ID:  1038313
SecurityTracker URL:
CVE Reference:   CVE-2017-3860, CVE-2017-3861, CVE-2017-3862, CVE-2017-3863   (Links to External Site)
Date:  Apr 20 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Several vulnerabilities were reported in Cisco IOS/IOS XE. A remote user can cause the target system to crash.

A remote user can send specially crafted EnergyWise packets via IPv4 to port 43440 to cause the target system to reload.

The vendor has assigned bug IDs CSCur29331, CSCur29331CSCut47751, CSCut47751CSCut50727, CSCut50727CSCuu76493, and CSCuu76493 to these vulnerabilities.

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:   Boundary error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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