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Cisco Bug: CSCuo73682 - Router locks up after Bing search must be rebooted - No crash dump.

Last Modified

Oct 14, 2019

Products (1)

  • Cisco 2900 Series Integrated Services Routers

Known Affected Releases


Description (partial)

A vulnerability in the Network Based Application Recognition (NBAR) protocol process of the Cisco 2900 Integrated Services Router could allow an
unauthenticated remote attacker to cause a denial of service.

The vulnerability is due to the Network Based Application Recognition (NBAR) process locking up.  An attacker could exploit this by sending
simple IP Version 4 packets through the router.  An exploit could allow the attacker to cause a denial of service event that would require a
router restart

NBAR Processes running on Internet Interface.
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Bug Details Include

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