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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS XR OSPF LSA Update Processing Flaw Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1034570
SecurityTracker URL:  http://securitytracker.com/id/1034570
CVE Reference:   CVE-2015-6432   (Links to External Site)
Date:  Jan 5 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.2.0, 4.3.0, 5.0.0, 5.1.0, 5.2.0, 5.2.2, 5.2.4, 5.3.0, 5.3.2
Description:   A vulnerability was reported in Cisco IOS XR. A remote user can cause the target service to restart.

A remote user can send a specially crafted Open Shortest Path First (OSPF) Link State Advertisement (LSA) update to trigger a flaw related to the number of OSPF Path Computation Elements (PCEs) and cause the target OSPF process to restart

The vendor has assigned bug ID CSCuw83486 to this vulnerability.

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

The vendor's advisory is available at:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160104-iosxr

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160104-iosxr (Links to External Site)
Cause:   State error

Message History:   None.


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