IPTables/Netfilter on Linux Kernel 2.4.20 Connection Tracker denial of service
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
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.
heise.de is providing further details. The entry 226 is pretty similar.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Patch: kernel.org
Timeline
04/01/2003 🔍08/02/2003 🔍
08/02/2003 🔍
08/02/2003 🔍
08/05/2003 🔍
08/27/2003 🔍
03/08/2021 🔍
Sources
Advisory: netfilter.orgResearcher: Announced by the Netfilter Core Team.
Organization: Netfilter Core Team
Status: Not defined
CVE: CVE-2003-0187 (🔍)
OVAL: 🔍
SecurityFocus: 8331 - Netfilter Connection Tracking Denial of Service Vulnerability
OSVDB: 6061 - Netfilter - Connection Tracking - Denial of Service Vulnerability
Misc.: 🔍
See also: 🔍
Entry
Created: 08/05/2003 14:28Updated: 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: 18:93C:103
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