Executive Summary

Informations
Name CVE-2002-0514 First vendor Publication 2002-08-12
Vendor Cve Last vendor Modification 2024-02-14

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2002-0514

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-203 Information Exposure Through Discrepancy

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1

Open Source Vulnerability Database (OSVDB)

Id Description
7553 OpenBSD PF return-rst Rule Port Filtering Disclosure

OpenBSD contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when a malicious user attempts to connect to a TCP port, which will disclose a RST response with a TTL value different from the default TTL value if a port is filtered resulting in a loss of confidentiality.

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/4401
BUGTRAQ http://www.securityfocus.com/archive/1/265188
XF http://www.iss.net/security_center/static/8738.php

Alert History

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Date Informations
2024-02-14 21:28:29
  • Multiple Updates
2021-05-04 12:01:40
  • Multiple Updates
2021-04-22 01:01:48
  • Multiple Updates
2020-05-23 00:14:58
  • Multiple Updates
2013-05-11 12:09:45
  • Multiple Updates