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CVE-2002-0514
Published: Jun 11, 2002
Modified: Aug 8, 2024
PUBLISHED
Description
PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
4401
vdb-entry
x_refsource_BID
20020331 packet filter fingerprinting(open but closed, closed but filtered)
mailing-list
x_refsource_BUGTRAQ
firewall-rst-fingerprint(8738)
vdb-entry
x_refsource_XF
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