IPTables/Netfilter prior 2.4.21 on Linux Kernel 2.4.20/2.5.x NAT denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in IPTables and Netfilter on Linux Kernel 2.4.20/2.5.x. The affected element is an unknown function of the component NAT. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2003-0467. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

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 databases at X-Force (12806), SecurityFocus (BID 8330†), OSVDB (2364†) and Secunia (SA9429†). Additional details are provided at heise.de. Entry connected to this vulnerability is available at VDB-227. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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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 (🔍)
GCVE (CVE): GCVE-0-2003-0467
GCVE (VulDB): GCVE-100-226
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.: 🔍
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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: 🔍
Cache ID: 216::103

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

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