SB2019121803 - Multiple vulnerabilities in Joomla!

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Information exposure through externally-generated error message (CVE-ID: CVE-2019-19845)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output when displaying error messages. A remote attacker can gain unauthorized access to sensitive information on the system, such full installation path of the web application.

2) SQL injection (CVE-ID: CVE-2019-19846)

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Remediation

Install update from vendor's website.

References

• https://developer.joomla.org/security-centre/796-20191201-core-path-disclosure-in-framework-files.html
• https://developer.joomla.org/security-centre/797-20191202-core-various-sql-injections-through-configuration-parameters.html