SB2019120306 - Multiple vulnerabilities in EmbedThis GoAhead

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2019-5096)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing a multi-part/form-data HTTP request with multiple Content-Disposition headers in the same request. A remote attacker can send a specially crafted HTTP request, corrupt heap structures and execute arbitrary code on the target system.

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

2) Infinite loop (CVE-ID: CVE-2019-5097)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in the processing of multi-part/form-data requests in the base GoAhead web server application. A remote attacker can send a specially crafted HTTP request, consume all available system resources and cause denial of service conditions.

Remediation

Install update from vendor's website.

References

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0888
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0889