Linux Kernel up to 2.6.7 Netfilter tcp_find_option TCP Options denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel up to 2.6.7. Affected by this vulnerability is the function tcp_find_option of the component Netfilter. The manipulation as part of TCP Options leads to denial of service. This vulnerability is uniquely identified as CVE-2004-0626. The attack is possible to be carried out remotely. Moreover, an exploit is present. The affected component should be disabled.

Detailsinfo

A vulnerability was found in Linux Kernel up to 2.6.7 (Operating System). It has been rated as critical. This issue affects the function tcp_find_option of the component Netfilter. The manipulation as part of a TCP Options 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 06/30/2004. The weakness was disclosed 06/03/2004 by Adam Osuchowski as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2004-0626 since 06/30/2004. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1499 for this issue.

After 4 weeks, there has been an exploit disclosed. The exploit is available at securiteam.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 13733 (Fedora Core 2 : kernel-2.6.6-1.435.2.1 (2004-202)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at kernel.org. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (16554), Tenable (13733), SecurityFocus (BID 10634†), OSVDB (7316†) and Secunia (SA11980†). secunia.com is providing further details. The entry VDB-730 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 13733
Nessus Name: Fedora Core 2 : kernel-2.6.6-1.435.2.1 (2004-202)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 54619
OpenVAS Name: Gentoo Security Advisory GLSA 200407-12 (Kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Patch: kernel.org

Timelineinfo

06/03/2004 🔍
06/30/2004 +27 days 🔍
06/30/2004 +0 days 🔍
06/30/2004 +0 days 🔍
06/30/2004 +0 days 🔍
06/30/2004 +0 days 🔍
06/30/2004 +0 days 🔍
07/01/2004 +1 days 🔍
07/05/2004 +3 days 🔍
07/23/2004 +18 days 🔍
07/26/2004 +3 days 🔍
12/06/2004 +133 days 🔍
03/09/2021 +5937 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: securityfocus.com⛔
Researcher: Adam Osuchowski
Status: Not defined

CVE: CVE-2004-0626 (🔍)
GCVE (CVE): GCVE-0-2004-0626
GCVE (VulDB): GCVE-100-737
X-Force: 16554 - Linux kernel tcp_find_option denial of service, Medium Risk
SecurityFocus: 10634 - Linux Kernel IPTables Sign Error Denial Of Service Vulnerability
Secunia: 11980 - Linux Kernel Netfilter TCP Option Matching Denial of Service Vulnerability, Moderately Critical
OSVDB: 7316 - Linux Kernel Netfilter TCP Option Matching DoS
SecuriTeam: securiteam.com
Vulnerability Center: 4852 - DoS on Linux kernel 2.6 via Large Option Length, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 07/05/2004 11:32
Updated: 03/09/2021 15:27
Changes: 07/05/2004 11:32 (102), 06/28/2019 20:13 (2), 03/09/2021 15:27 (3)
Complete: 🔍
Cache ID: 216:F32:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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