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NetBSD Information for VU#539363
| Date Notified: | 2002-06-05 |
| Date Updated: | |
| Status Summary: | Not Vulnerable |
Vendor StatementTCP SYN Flood
IPFilter is not vulnerable to this attack as it already implements aggressive flushing of the state table when it detects it to be full.
UDP Flood
There is no specific attack here that IPFilter needs to defend against. It will time things out according to timeouts set for UDP (can be done
on a per-rule basis.)
Crikey CRC Flood
IPFilter does not currently allow packets to be rejected because of bad CRC's but the problem posed here is dealt with in the two aforementioned
briefs.
Solutions
IPFilter supports the use of separate timeout values for initial sessions and allows connection tracking to be disabled.Vendor InformationThe vendor has not provided us with any further information regarding this vulnerability.
AddendumThe CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us
email.
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