Linux Kernel 2.4 mxcsr denial of service

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.4. It has been rated as problematic. This vulnerability affects unknown code of the component mxcsr. This manipulation causes denial of service. This vulnerability is handled as CVE-2003-0248. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel 2.4 (Operating System). Affected by this vulnerability is an unknown function of the component mxcsr. 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. The summary by CVE is:

The mxcsr code in Linux kernel 2.4 allows attackers to modify CPU state registers via a malformed address.

The bug was discovered 06/03/2003. The weakness was released 06/03/2003 by Andrea Arcangeli with Red Hat (Website). It is possible to read the advisory at rhn.redhat.com. This vulnerability is known as CVE-2003-0248 since 05/06/2003. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

We expect the 0-day to have been worth approximately $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 15148 (Debian DSA-311-1 : linux-kernel-2.4.18 - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian 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 kernel.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (12159), Tenable (15148), SecurityFocus (BID 7793†), OSVDB (4456†) and Vulnerability Center (SBV-5593†). Entries connected to this vulnerability are available at VDB-90, VDB-89, VDB-20519 and VDB-20520. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 15148
Nessus Name: Debian DSA-311-1 : linux-kernel-2.4.18 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53694
OpenVAS Name: Debian Security Advisory DSA 311-1 (kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: kernel.org

Timelineinfo

05/06/2003 🔍
06/03/2003 +28 days 🔍
06/03/2003 +0 days 🔍
06/03/2003 +0 days 🔍
06/03/2003 +0 days 🔍
06/03/2003 +0 days 🔍
06/08/2003 +5 days 🔍
06/16/2003 +8 days 🔍
09/29/2004 +471 days 🔍
10/18/2004 +19 days 🔍
06/25/2019 +5363 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: rhn.redhat.com
Researcher: Andrea Arcangeli
Organization: Red Hat
Status: Not defined

CVE: CVE-2003-0248 (🔍)
GCVE (CVE): GCVE-0-2003-0248
GCVE (VulDB): GCVE-100-91

OVAL: 🔍

X-Force: 12159
SecurityFocus: 7793 - Linux Kernel FPU/SSE Environment Restoration MXCSR Register Corruption Vulnerability
OSVDB: 4456 - Red Hat Linux Kernel, Attacks due to MXCSR Kernel Code Weakness
Vulnerability Center: 5593 - DoS in Linux Kernel via Malformed Address that Modifies CPU State Registers, Medium

See also: 🔍

Entryinfo

Created: 06/03/2003 02:00
Updated: 06/25/2019 20:47
Changes: 06/03/2003 02:00 (84), 06/25/2019 20:47 (4)
Complete: 🔍
Cache ID: 216:601:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!