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Category:   Device (Router/Bridge/Hub)  >   Cisco uBR Universal Broadband Routers Vendors:   Cisco
Cisco uBR Universal Broadband Router Bugs Let Remote or Remote Authenticated Users Deny Service
SecurityTracker Alert ID:  1032692
SecurityTracker URL:  http://securitytracker.com/id/1032692
CVE Reference:   CVE-2015-4199, CVE-2015-4200, CVE-2015-4203, CVE-2015-4204   (Links to External Site)
Date:  Jun 23 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in Cisco IOS on Cisco uBR Universal Broadband Routers. A remote or remote authenticated user can cause denial of service conditions on the target system.

A remote user can send specially crafted data to trigger a race condition and free a null pointer to cause the target Performance Routing Engine (PRE) module to crash [CVE-2015-4199].

The vendor has assigned bug ID CSCug47366 to this vulnerability.

Cisco UBR devices running Cisco IOS Software are affected.

A remote user can send specially crafted data to trigger a memory leak on the target standby Performance Routing Engine (PRE) and cause denial of service condition [CVE-2015-4200].

The vendor has assigned bug ID CSCug00885 to this vulnerability.

Cisco UBR devices running Cisco IOS Software are affected.

A remote user that is a trusted MPLS neighbor of the target system and that can forward specially crafted IPv6 VPN over Multiprotocol Label Switching (MPLS) (6VPE) packet at a high rate to the target system can cause the target Parallel Express Forwarding (PXF) process on the Performance Routing Engine (PRE) module to crash [CVE-2015-4203].

Cisco uBR10000 Series Universal Broadband Routers running Cisco IOS Software are affected.

The vendor has assigned bug ID CSCud83396 to this vulnerability.

A remote authenticated user can send specially crafted SNMP packets polling for certain 'docsIfMCmtsMib' values at a high rate to trigger a memory leak and cause the target Parallel Express Forwarding (PXF) process on the Performance Routing Engine (PRE) module to crash [CVE-2015-4204].

Cisco uBR10000 Series Universal Broadband Routers running Cisco IOS Software are affected.

The vendor has assigned bug ID CSCue65051 to this vulnerability.

Impact:   A remote or remote authenticated user can cause denial of service conditions.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

http://tools.cisco.com/security/center/viewAlert.x?alertId=39423
http://tools.cisco.com/security/center/viewAlert.x?alertId=39424
http://tools.cisco.com/security/center/viewAlert.x?alertId=39439
http://tools.cisco.com/security/center/viewAlert.x?alertId=39440

Vendor URL:  tools.cisco.com/security/center/viewAlert.x?alertId=39423 (Links to External Site)
Cause:   State error

Message History:   None.


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