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Ubuntu 4.10 : mysql-dfsg vulnerabilities (USN-32-1)

critical Nessus Plugin ID 20648

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

Several vulnerabilities have been discovered in the MySQL database server.

Lukasz Wojtow discovered a potential buffer overflow in the function mysql_real_connect(). A malicious name server could send specially crafted DNS packages which might result in execution of arbitrary code with the database server's privileges. However, it is believed that this bug cannot be exploited with the C Standard library (glibc) that Ubuntu uses. (CAN-2004-0836).

Dean Ellis noticed a flaw that allows an authorized MySQL user to cause a denial of service (crash or hang) via concurrent execution of certain statements (ALTER TABLE ... UNION=, FLUSH TABLES) on tables of type MERGE (CAN-2004-0837)

Some query strings containing a double quote (like MATCH ... AGAINST (' some ' query' IN BOOLEAN MODE) ) that did not have a matching closing double quote caused a denial of service (server crash). Again, this is only exploitable by authorized mysql users. (CAN-2004-0956)

If a user was granted privileges to a database with a name containing an underscore ('_'), the user also gained the ability to grant privileges to other databases with similar names. (CAN-2004-0957).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 20648

File Name: ubuntu_USN-32-1.nasl

Version: 1.16

Type: local

Agent: unix

Published: 1/15/2006

Updated: 1/19/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:mysql-server, p-cpe:/a:canonical:ubuntu_linux:mysql-common, p-cpe:/a:canonical:ubuntu_linux:libmysqlclient-dev, p-cpe:/a:canonical:ubuntu_linux:libmysqlclient12, cpe:/o:canonical:ubuntu_linux:4.10, p-cpe:/a:canonical:ubuntu_linux:mysql-client

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Patch Publication Date: 11/25/2004

Reference Information

CVE: CVE-2004-0836, CVE-2004-0837, CVE-2004-0956, CVE-2004-0957

CWE: 119

USN: 32-1