Sun MySQL 3.23.49/4.0.21 MERGE Table 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 classified as problematic was found in Sun MySQL 3.23.49/4.0.21. This affects an unknown part of the component MERGE Table Handler. The manipulation results in denial of service. This vulnerability is reported as CVE-2004-0837. The attack can be launched remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Sun MySQL 3.23.49/4.0.21 (Database Software). Affected is an unknown function of the component MERGE Table Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.

The bug was discovered 10/11/2004. The weakness was disclosed 10/11/2004 by Dean Ellis with MySQL Team (Website). The advisory is available at bugs.mysql.com. This vulnerability is traded as CVE-2004-0837 since 09/08/2004. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but an exploit is available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The exploit is shared for download at bugs.mysql.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 18830 (FreeBSD : mysql -- ALTER MERGE denial of service vulnerability (06a6b2cf-484b-11d9-813c-00065be4b5b6)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 19104 (MySQL Multiple Local Vulnerabilities).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at dev.mysql.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (17667), Tenable (18830), SecurityFocus (BID 11357†), OSVDB (10659†) and Secunia (SA12783†). Further details are available at debian.org. The entry VDB-879 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Support

  • end of life (old version)

Website

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: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

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Price Prediction: 🔍
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Nessus ID: 18830
Nessus Name: FreeBSD : mysql -- ALTER MERGE denial of service vulnerability (06a6b2cf-484b-11d9-813c-00065be4b5b6)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53251
OpenVAS Name: Debian Security Advisory DSA 562-1 (mysql)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: dev.mysql.com

Timelineinfo

09/08/2004 🔍
10/11/2004 +33 days 🔍
10/11/2004 +0 days 🔍
10/11/2004 +0 days 🔍
10/11/2004 +0 days 🔍
10/11/2004 +0 days 🔍
10/11/2004 +0 days 🔍
10/13/2004 +2 days 🔍
10/17/2004 +4 days 🔍
11/03/2004 +17 days 🔍
12/16/2004 +43 days 🔍
07/13/2005 +209 days 🔍
07/07/2025 +7299 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: bugs.mysql.com
Researcher: Dean Ellis
Organization: MySQL Team
Status: Confirmed

CVE: CVE-2004-0837 (🔍)
GCVE (CVE): GCVE-0-2004-0837
GCVE (VulDB): GCVE-100-882
X-Force: 17667 - MySQL UNION change denial of service, Medium Risk
SecurityFocus: 11357 - MySQL Multiple Local Vulnerabilities
Secunia: 12783 - MySQL Multiple Vulnerabilities, Less Critical
OSVDB: 10659 - CVE-2004-0837 - MySQL - Denial-of-Service Issue
SecurityTracker: 1011606
Vulnerability Center: 5570 - DoS in MySQL 3.23.2 - 3.23.58, 4.0.18 via UNION Change, High

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

Entryinfo

Created: 10/13/2004 12:13
Updated: 07/07/2025 17:37
Changes: 10/13/2004 12:13 (99), 06/29/2019 16:01 (4), 07/07/2025 17:37 (19)
Complete: 🔍
Cache ID: 216:7B3:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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