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Category:   Device (Router/Bridge/Hub)  >   Cisco Industrial Ethernet Switch Vendors:   Cisco
Cisco Industrial Ethernet Switch PROFINET PN-DCP Packet Parsing Bug Lets Remote Users Cause the Target System to Reload
SecurityTracker Alert ID:  1039451
SecurityTracker URL:  http://securitytracker.com/id/1039451
CVE Reference:   CVE-2017-12235   (Links to External Site)
Date:  Sep 27 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco Industrial Ethernet Switch. A remote user can cause the target system to reload.

A remote user can send a specially crafted PROFINET Discovery and Configuration Protocol (PN-DCP) Identity Request packet to the target device followed by typical PN-DCP Identity Request packets to cause the target system to reload.

Systems configured to process PROFINET messages are affected.

The vendor has assigned bug ID CSCuz47179 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:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-profinet

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-profinet (Links to External Site)
Cause:   State error

Message History:   None.


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