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FreeBSD : mysql -- ALTER MERGE denial of service vulnerability (06a6b2cf-484b-11d9-813c-00065be4b5b6)

low Nessus Plugin ID 18830

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Dean Ellis reported a denial of service vulnerability in the MySQL server :

Multiple threads ALTERing the same (or different) MERGE tables to change the UNION eventually crash the server or hang the individual threads.

Note that a script demonstrating the problem is included in the MySQL bug report. Attackers that have control of a MySQL account can easily use a modified version of that script during an attack.

Solution

Update the affected packages.

See Also

https://bugs.mysql.com/bug.php?id=2408

https://access.redhat.com/errata/RHSA-2004:611

http://www.nessus.org/u?5c736f60

Plugin Details

Severity: Low

ID: 18830

File Name: freebsd_pkg_06a6b2cf484b11d9813c00065be4b5b6.nasl

Version: 1.22

Type: local

Published: 7/13/2005

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 2.3

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:mysql-server, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: No exploit is required

Patch Publication Date: 12/16/2004

Vulnerability Publication Date: 1/15/2004

Reference Information

CVE: CVE-2004-0837

BID: 11357