SB2019112809 - Multiple vulnerabilities in FusionPBX

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2019-19366)

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 in the "app/xml_cdr/xml_cdr_search.php" file when processing redirect parameter. A remote attacker can trick the victim to follow a specially crafted link 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) Cross-site scripting (CVE-ID: CVE-2019-19367)

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 in the "app/fax/fax_files.php" when processing "id" parameter. A remote attacker can trick the victim to follow a specially crafted link 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.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://gist.github.com/xax007/94183b11bdfe579fd860a37e74cd3a8e
• https://github.com/fusionpbx/fusionpbx/commit/f3047c83f3022a4780dca95ed7bccbf3a6fa868e
• https://github.com/fusionpbx/fusionpbx/commit/72a5ce4d2d6bc0ec0e72bbfb76487e4761f292c5