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Category:   Application (Web Server/CGI)  >   Apache Tomcat Vendors:   Apache Software Foundation
(Ubuntu Issues Fix) Apache Tomcat HTTP PUT Request Processing Flaw Lets Remote Users Execute Arbitrary JSP Code on the Target System
SecurityTracker Alert ID:  1041001
SecurityTracker URL:  http://securitytracker.com/id/1041001
CVE Reference:   CVE-2017-12617   (Links to External Site)
Date:  May 31 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7.0.0 - 7.0.81, 8.0.0.RC1 - 8.0.46, 9.0.0.M1 - 9.0.0
Description:   A vulnerability was reported in Apache Tomcat. A remote user can execute arbitrary code on the target system.

A remote user can send a specially crafted HTTP PUT request to upload arbitrary JSP code to the target system and then request the JSP file to cause the web service to execute the JSP code on the target system. The code will run with the privileges of the target web service.

Systems with HTTP PUT requests enabled are affected (e.g., with the DefaultServlet 'init-param' 'param-name' of 'readonly' set to a 'param-value' of 'false').

The vendor was notified on September 20, 2017.

Impact:   A remote user can upload and execute arbitrary JSP code on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://usn.ubuntu.com/usn/usn-3665-1

Vendor URL:  usn.ubuntu.com/usn/usn-3665-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 16.04 LTS, 17.10, 18.04 LTS

Message History:   This archive entry is a follow-up to the message listed below.
Oct 11 2017 Apache Tomcat HTTP PUT Request Processing Flaw Lets Remote Users Execute Arbitrary JSP Code on the Target System



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