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Cisco Bug: CSCta38577 - SensorApp stops responding when adding a String signature

Last Modified

Feb 22, 2014

Products (1)

  • Cisco IPS 4200 Series Sensors

Known Affected Releases

6.1(1)

Description (partial)

Symptom:
SensorApp would stop running when entering a custom signature.
Conditions:
A user discovered an unchecked resource exhaustion by creating a custom signature
with a regular expression that contained USER.{50,}.  The state explosion caused by the
repeat operation caused a memory exhaustion situation.
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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