VDB-18570 · CVE-2002-0514 · XFDB 8738

OpenBSD 3.0 pf Filter information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in OpenBSD 3.0. It has been declared as problematic. This affects an unknown part of the component pf. The manipulation results in information disclosure (Filter). This vulnerability is known as CVE-2002-0514. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in OpenBSD 3.0 (Operating System). Affected is some unknown processing of the component pf. The manipulation with an unknown input leads to a information disclosure vulnerability (Filter). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

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.

The weakness was published 08/12/2002 by Meder Kydyraliev (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2002-0514. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (8738) and SecurityFocus (BID 4401†). Similar entry is available at VDB-18571. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Operating System

Name

OpenBSD

Version

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Filter
Class: Information disclosure / Filter
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/31/2002 🔍
08/12/2002 +134 days 🔍
08/12/2002 +0 days 🔍
07/22/2014 +4362 days 🔍
06/20/2024 +3621 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Meder Kydyraliev
Status: Not defined

CVE: CVE-2002-0514 (🔍)
GCVE (CVE): GCVE-0-2002-0514
GCVE (VulDB): GCVE-100-18570
X-Force: 8738
SecurityFocus: 4401 - OpenBSD PF TTL Fingerprinting Vulnerability

See also: 🔍

Entryinfo

Created: 07/22/2014 22:19
Updated: 06/20/2024 08:56
Changes: 07/22/2014 22:19 (48), 06/08/2018 11:14 (4), 06/20/2024 08:56 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.