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Cisco Bug: CSCur69192 - CSDL: Standby RSP rsvp process crashed after receiving malformed pkts

Last Modified

May 09, 2018

Products (8)

  • Cisco Carrier Routing System
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases

5.3.0.BASE

Description (partial)

Symptoms:

A vulnerability in RSVP processing of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a reload of the RSVP process on an affected 
device.

The vulnerability is due to improper parsing of a malformed RSVP packet. An attacker could exploit this vulnerability by sending a malformed RSVP packet to be 
processed by an affected device. A successful exploit could allow the attacker to cause a reload of the RSVP process on the affected device.

Conditions:

Device configured for RSVP.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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