SB2018062201 - Multiple vulnerabilities in phpMyAdmin

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Stored cross-site scripting (CVE-ID: CVE-2018-12581)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within Designer feature. A remote attacker create database with a specially crafted name and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2) PHP file inclusion (CVE-ID: CVE-2018-12613)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insecure handling of file path before including a php files. A remote authenticated attacker can include and execute arbitrary PHP file from a remote location. This vulnerability can be also exploited by a remote non-authenticated attacker if phpMyAdmin is configured with one of the following options:

• $cfg['AllowArbitraryServer'] = true
• $cfg['ServerDefault'] = 0

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Remediation

Install update from vendor's website.

References

• https://www.phpmyadmin.net/security/PMASA-2018-3/
• https://www.phpmyadmin.net/security/PMASA-2018-4/