Linux Kernel up to 2.4.21 NFS XDR denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 2.4.21. It has been classified as critical. Affected is an unknown function of the component NFS XDR Handler. The manipulation leads to denial of service. This vulnerability is traded as CVE-2003-0619. It is possible to launch the attack remotely. Furthermore, there is an exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

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. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Integer signedness error in the decode_fh function of nfs3xdr.c in Linux kernel before 2.4.21 allows remote attackers to cause a denial of service (kernel panic) via a negative size value within XDR data of an NFSv3 procedure call.

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. The exploit is available at securityfocus.com. It is declared as proof-of-concept. 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 r.

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 X-Force (12764), Exploit-DB (68), Tenable (11813), SecurityFocus (BID 8298†) and OSVDB (2353†). Entry connected to this vulnerability is available at VDB-15502. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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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: 🔍

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: 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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

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

Timelineinfo

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 🔍
10/07/2024 +7712 days 🔍

Sourcesinfo

Vendor: kernel.org

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

CVE: CVE-2003-0619 (🔍)
GCVE (CVE): GCVE-0-2003-0619
GCVE (VulDB): GCVE-100-221

OVAL: 🔍

X-Force: 12764 - Linux kernel decode_fh nfs3xdr packet denial of service, Medium Risk
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
OSVDB: 2353 - Linux Kernel NFS XDR DoS
Vulnerability Center: 1586 - DoS in Linux Kernel nfs3xdr.c decode_fh Function via Negative Size in XDR Packet, Medium

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

Entryinfo

Created: 08/05/2003 12:30
Updated: 10/07/2024 20:32
Changes: 08/05/2003 12:30 (98), 06/26/2019 11:07 (3), 10/07/2024 20:32 (15)
Complete: 🔍
Committer: olku
Cache ID: 216:9D9:103

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