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CVE-2002-0515
Published: Jun 11, 2002
Modified: Aug 8, 2024
PUBLISHED
Description
IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
20020331 packet filter fingerprinting(open but closed, closed but filtered)
mailing-list
x_refsource_BUGTRAQ
4403
vdb-entry
x_refsource_BID
firewall-rst-fingerprint(8738)
vdb-entry
x_refsource_XF
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