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Cisco Bug: CSCut45114 - 2048-byte block leak if DNS server replies with "No such name"

Last Modified

Aug 28, 2018

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.3(2.101)

Description (partial)

Symptom:
The ASA may become responsive due to excessive loss of 2048-byte memory blocks.

Conditions:
Many DNS lookups for bad hostnames are done from the ASA, so that the DNS server replies "no such name".
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