VDB-227 · CVE-2003-0187 · BID 8331

IPTables/Netfilter on Linux Kernel 2.4.20 Connection Tracker 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 has been found in IPTables and Netfilter on Linux Kernel 2.4.20 and classified as critical. The impacted element is an unknown function of the component Connection Tracker. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2003-0187. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in IPTables and Netfilter on Linux Kernel 2.4.20 (the affected version unknown). This issue affects an unknown part of the component Connection Tracker. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The bug was discovered 08/02/2003. The weakness was disclosed 08/02/2003 with Netfilter Core Team (Website). It is possible to read the advisory at netfilter.org. The identification of this vulnerability is CVE-2003-0187 since 04/01/2003. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading 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 SecurityFocus (BID 8331†) and OSVDB (6061†). heise.de is providing further details. The entry VDB-226 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: kernel.org

Timelineinfo

04/01/2003 🔍
08/02/2003 +123 days 🔍
08/02/2003 +0 days 🔍
08/02/2003 +0 days 🔍
08/05/2003 +3 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-2003-0187 (🔍)
GCVE (CVE): GCVE-0-2003-0187
GCVE (VulDB): GCVE-100-227

OVAL: 🔍

SecurityFocus: 8331 - Netfilter Connection Tracking Denial of Service Vulnerability
OSVDB: 6061 - Netfilter - Connection Tracking - Denial of Service Vulnerability

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 08/05/2003 14:28
Updated: 03/08/2021 16:01
Changes: 08/05/2003 14:28 (64), 06/26/2019 11:31 (3), 03/08/2021 15:57 (3), 03/08/2021 16:01 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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