SB2017030610 - Remote code execution in Apache Struts

Description

This security bulletin contains information about 1 security vulnerability.

1) Code injection (CVE-ID: CVE-2017-5638)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to input validation error in the Jakarta based file upload Multipart parser when processing Content-Type HTTP header. A remote attacker can send a specially crafted HTTP POST request containing malicious Content-Type header and execute arbitrary code on the target system with privileges of the Apache Struts user.

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

Note: this vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://cwiki.apache.org/confluence/display/WW/S2-045
• http://blog.talosintelligence.com/2017/03/apache-0-day-exploited.html