Linux Kernel up to 2.4.21 NFS XDR denial of service

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5.3$0-$5k0.00

A vulnerability was found in Linux Kernel up to 2.4.21 (Operating System) and classified as critical. This issue affects an unknown code of the component NFS XDR Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The bug was discovered 07/29/2003. The weakness was released 07/29/2003 by Jared Stanbrough as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2003-0619 since 07/31/2003. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The exploit is available at securityfocus.com. 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 and running in the context remote.

Upgrading to version 2.4.21 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 8298), X-Force (12764), Secunia (SA9403), Vulnerability Center (SBV-1586) and Tenable (11813). Entry connected to this vulnerability is available at 15502.

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
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CVSSv2infoedit

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Exploitinginfoedit

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

Local: No
Remote: Yes

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

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: 🔍
Nessus Context: 🔍

OpenVAS ID: 53647
OpenVAS Name: Debian Security Advisory DSA 358-1 (linux-kernel-i386, linux-kernel-alpha)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfoedit

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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Kernel 2.4.21
Patch: kernel.org
ISS Proventia IPS: 🔍

Timelineinfoedit

07/29/2003 🔍
07/29/2003 +0 days 🔍
07/29/2003 +0 days 🔍
07/29/2003 +0 days 🔍
07/29/2003 +0 days 🔍
07/31/2003 +2 days 🔍
08/01/2003 +1 days 🔍
08/01/2003 +0 days 🔍
08/05/2003 +3 days 🔍
08/06/2003 +1 days 🔍
08/27/2003 +21 days 🔍
08/11/2017 +5098 days 🔍
06/26/2019 +684 days 🔍

Sourcesinfoedit

Vendor: https://www.kernel.org/

Advisory: securityfocus.com
Researcher: Jared Stanbrough
Status: Not defined

CVE: CVE-2003-0619 (🔍)
OVAL: 🔍

SecurityFocus: 8298 - Linux Kernel 2.4 XDR Packet Handler For NFSv3 Remote Denial Of Service Vulnerability
Secunia: 9403 - Linux Kernel NFS XDR Denial of Service, Less Critical
X-Force: 12764 - Linux kernel decode_fh nfs3xdr packet denial of service, Medium Risk
Vulnerability Center: 1586 - DoS in Linux Kernel nfs3xdr.c decode_fh Function via Negative Size in XDR Packet, Medium
OSVDB: 2353 - Linux Kernel NFS XDR DoS

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

Entryinfoedit

Created: 08/05/2003 12:30 PM
Updated: 06/26/2019 11:07 AM
Changes: (3) vulnerability_discoverydate source_securityfocus_date source_securityfocus_class
Complete: 🔍
Committer: olku

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