CVE-2002-0514

Severity

50%

Complexity

99%

Confidentiality

48%

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.

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.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 22 years ago

2002-08-12 04:00:00

Last updated 16 years ago

2008-09-05 20:28:00

Affected Software

OpenBSD 3.0

3.0

References

firewall-rst-fingerprint(8738)

Vendor Advisory

20020331 packet filter fingerprinting(open but closed, closed but filtered)

Vendor Advisory

4401

Exploit, Vendor Advisory

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