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Cisco Bug: CSCun34125 - CUP: icSyncAgent Crashed and Failed to Recover From TCP Connection Flood

Last Modified

Aug 06, 2018

Products (2)

  • Cisco Unified Communications Manager IM & Presence Service
  • Cisco Unified Communications Manager IM and Presence Service Version 10.0

Known Affected Releases

10.0(1)

Description (partial)

Symptom:
A vulnerability in the Intercluster Sync Agent Service on Cisco Unified Presence could allow an unauthenticated, remote attacker to trigger a
denial of service condition.

The vulnerability is due to SYN flood. An attacker could exploit this vulnerability by exceeding the tcp max connections parameter.

Conditions:
Devices running an affected version of the Cisco Unified Presence Server.
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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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