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Cisco Bug: CSCtf24844 - BT: ICMP timestamps requests are replied to

Last Modified

Apr 15, 2010

Products (1)

  • Cisco Content Delivery Engine Series

Known Affected Releases

2.4(3)

Description (partial)

Symptom: >
ICMP Timestamp Request Remote Date Disclosure. It is possible to determine the exact time set on the remote host. 
>

Conditions:
The remote host answers to an ICMP timestamp request. This allows an attacker to know the date which is set on your machine. This may help him to defeat all your time based authentication protocols.
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