Linux Kernel up to 2.4.26/2.6.7-rc2 __clear_fpu denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Linux Kernel up to 2.4.26/2.6.7-rc2. This affects the function __clear_fpu. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2004-0109. The attack is only possible within the local network. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 2.4.26/2.6.7-rc2 (Operating System). This vulnerability affects the function __clear_fpu. 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. CVE summarizes:

Buffer overflow in the ISO9660 file system component for Linux kernel 2.4.x, 2.5.x and 2.6.x, allows local users with physical access to overflow kernel memory and execute arbitrary code via a malformed CD containing a long symbolic link entry.

The bug was discovered 04/14/2004. The weakness was disclosed 06/11/2004 by Stian Skjelstad with IXIA (Website). The advisory is shared for download at linuxreviews.org. This vulnerability was named CVE-2004-0109 since 02/02/2004. Access to the local network is required for this attack. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at linuxreviews.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 48 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 14535 (GLSA-200407-02 : Linux Kernel: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at linuxreviews.org. The best possible mitigation is suggested to be upgrading to the latest version. 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 (16412), Exploit-DB (306), Tenable (14535), SecurityFocus (BID 10538†) and OSVDB (7077†). Additional details are provided at heise.de. The entries VDB-619, VDB-21811 and VDB-22041 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 14535
Nessus Name: GLSA-200407-02 : Linux Kernel: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53682
OpenVAS Name: Debian Security Advisory DSA 479-1 (kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: linuxreviews.org

Timelineinfo

02/02/2004 🔍
04/14/2004 +72 days 🔍
06/01/2004 +48 days 🔍
06/01/2004 +0 days 🔍
06/11/2004 +10 days 🔍
06/14/2004 +3 days 🔍
06/15/2004 +1 days 🔍
06/16/2004 +1 days 🔍
07/03/2004 +16 days 🔍
08/30/2004 +58 days 🔍
05/24/2009 +1728 days 🔍
06/28/2019 +3687 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: linuxreviews.org
Researcher: Stian Skjelstad
Organization: IXIA
Status: Not defined

CVE: CVE-2004-0109 (🔍)
GCVE (CVE): GCVE-0-2004-0109
GCVE (VulDB): GCVE-100-712

OVAL: 🔍

X-Force: 16412 - Linux kernel fsave and frstor denial of service, Medium Risk
SecurityFocus: 10538 - Linux Kernel Floating Point Exception Handler Local Denial Of Service Vulnerability
Secunia: 11861 - Linux Kernel "__clear_fpu()" Macro Denial of Service Vulnerability, Not Critical
OSVDB: 7077 - Linux Kernel __clear_fpu Infinite Loop DoS
Vulnerability Center: 22136 - Linux Kernel 2.4- 2.6 Local Privilege Escalation via a Malformed CD with a Long Symbolic Link Entry, High

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

Created: 06/15/2004 12:20
Updated: 06/28/2019 17:21
Changes: 06/15/2004 12:20 (99), 06/28/2019 17:21 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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