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.
7.2	$0-$5k	0.00

A vulnerability classified as critical was found in IPTables and Netfilter on Linux Kernel 2.4.20/2.5.x. This vulnerability affects some unknown functionality of the component NAT. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The bug was discovered 08/02/2003. The weakness was released 08/01/2003 with Netfilter Core Team (Website). The advisory is available at netfilter.org. This vulnerability was named CVE-2003-0467 since 06/26/2003. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 2.4.21 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at X-Force (12806). Additional details are provided at heise.de. Entry connected to this vulnerability is available at 227.

Productinfo

Name

• IPTables
• Netfilter

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IPTables/Netfilter 2.4.21
Patch: kernel.org

Timelineinfo

06/26/2003 🔍
08/01/2003 +36 days 🔍
08/02/2003 +1 days 🔍
08/02/2003 +0 days 🔍
08/04/2003 +2 days 🔍
08/05/2003 +0 days 🔍
08/27/2003 +22 days 🔍
03/08/2021 +6403 days 🔍

Sourcesinfo

Advisory: netfilter.org
Researcher: Announced by the Netfilter Core Team.
Organization: Netfilter Core Team
Status: Not defined

CVE: CVE-2003-0467 (🔍)
X-Force: 12806 - Netfilter Network Address Translation (NAT) denial of service, Medium Risk
SecurityFocus: 8330 - Linux Netfilter NAT Remote Denial of Service Vulnerability
Secunia: 9429 - IPTables/Netfilter Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 2364 - Linux IPTables / Netfilter NAT SACK mangle DoS

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 08/05/2003 14:18
Updated: 03/08/2021 15:55
Changes: 08/05/2003 14:18 (72), 06/26/2019 11:38 (3), 03/08/2021 15:50 (3), 03/08/2021 15:55 (1)
Complete: 🔍

Discussion

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