Linux Kernel 2.1/2.2.0/2.3.0 NFS Server knfsd denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability has been found in Linux Kernel 2.1/2.2.0/2.3.0 (Operating System) and classified as problematic. This vulnerability affects an unknown code of the file knfsd of the component NFS Server. The manipulation with the input value -1 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:

The knfsd NFS server in Linux kernel 2.2.x allows remote attackers to cause a denial of service via a negative size value.

The weakness was disclosed 05/01/2000 by Chris Evans (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2000-0344. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 11813 (Linux 2.4 NFSv3 knfsd Malformed GETATTR Request Remote DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4409) and Tenable (11813). The entry 221 is pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 11813
Nessus Name: Linux 2.4 NFSv3 knfsd Malformed GETATTR Request Remote DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/01/2000 🔍
05/01/2000 +0 days 🔍
05/01/2000 +0 days 🔍
05/01/2000 +0 days 🔍
11/11/2003 +1289 days 🔍
06/24/2014 +3878 days 🔍
06/25/2021 +2558 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: securityfocus.com
Researcher: Chris Evans
Status: Not defined

CVE: CVE-2000-0344 (🔍)
X-Force: 4409
Vulnerability Center: 2814 - Knfsd NFS Server in Linux Kernel DoS, High
SecurityFocus: 1160 - Linux knfsd Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/24/2014 13:06
Updated: 06/25/2021 07:04
Changes: 06/24/2014 13:06 (61), 04/13/2017 12:26 (4), 06/25/2021 07:04 (3)
Complete: 🔍

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