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CVE-2002-0514

MEDIUM CVSS: 5.0 Published: 2002-08-12 Modified: 2026-06-16

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.

Affected Platforms

Openbsd Openbsd

Weakness Type

CWE-203

References