CVE-2019-2435

MySQL Connector/Python 8.0.13 and earlier, 2.1.8 and earlier, unauthenticated network access via TLS

• CVSS 8.1
• CWE-284: Improper Access Control
• Authentication, Authorization, and Session Management
• Remote

Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/Python). Supported versions that are affected are 8.0.13 and prior and 2.1.8 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Connectors accessible data as well as unauthorized access to critical data or complete access to all MySQL Connectors accessible data. CVSS 3.0 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N).

CVE

CVE-2019-2435

CWE

CWE-284: Improper Access Control

CVSS base score

8.1

Published

2019-01-16

OWASP

A08 Software and Data Integrity Failures

Orthogonal defect classification

Function

Code defect classification

Incorrect Functionality

Category

Authentication, Authorization, and Session Management

Subcategory

Insecure Authentication Mechanisms

Accessibility scope

Remote

Impact

Unauthorized Access

Fixed by upgrading

Yes

Solution

Update MySQL Connectors to version 8.0.14 or higher.

import mysql.connector

def connect():
    try:
        connection = mysql.connector.connect(
            host='localhost',
            user='your_username',
            password='your_password',
            database='your_database'
        )
        if connection.is_connected():
            print("Successfully connected to the database")

    except mysql.connector.Error as e:
        print(f"Error: {e}")
    finally:
        if connection.is_connected():
            connection.close()
            print("Connection closed")

connect()

import mysql.connector
from mysql.connector import Error

def connect():
    try:
        connection = mysql.connector.connect(
            host='localhost',
            user='your_username',
            password='your_password',
            database='your_database',
            ssl_disabled=False,
            ssl_ca='path/to/ca-cert.pem',
            ssl_cert='path/to/client-cert.pem',
            ssl_key='path/to/client-key.pem'
        )
        if connection.is_connected():
            print("Successfully connected to the database")

    except Error as e:
        print(f"Error: {e}")
    finally:
        if connection.is_connected():
            connection.close()
            print("Connection closed")

connect()

@misc{vaitp:cve20192435,
  title        = {{MySQL Connector/Python 8.0.13 and earlier, 2.1.8 and earlier, unauthenticated network access via TLS}},
  author       = {Bogaerts, Fr\'ed\'eric and Ivaki, Naghmeh and Fonseca, Jos\'e},
  year         = {2019},
  note         = {VAITP Python Vulnerability Dataset, entry CVE-2019-2435},
  howpublished = {\url{https://netpack.pt/vaitp/vulnerability/CVE-2019-2435/}}
}