MySQL Authentication Protocol Token Comparison Casting Failure Password Bypass

medium Nessus Plugin ID 61393

Language:

New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote database server can be accessed without a valid password.

Description

A flaw in the MySQL server allows remote users to authenticate without a valid password due to a failure when casting a randomly generated token and comparing it to an expected value.

Solution

Upgrade to MySQL 5.1.63 / 5.5.24 or later.

See Also

https://seclists.org/oss-sec/2012/q2/493

https://bugs.mysql.com/bug.php?id=64884

Plugin Details

Severity: Medium

ID: 61393

File Name: mysql_auth_bypass.nasl

Version: 1.13

Type: remote

Family: Databases

Published: 8/2/2012

Updated: 3/27/2019

Dependencies: find_service2.nasl

Risk Information

CVSS Score Source: CVE-2012-2122

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 4.2

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

Temporal Vector: E:F/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mysql:mysql, cpe:/a:oracle:mysql

Excluded KB Items: global_settings/supplied_logins_only

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

Patch Publication Date: 5/7/2012

Vulnerability Publication Date: 5/7/2012

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2012-2122

BID: 53911

EDB-ID: 19092