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[转帖]MOAUB #8 - Sirang Web-Based D-Control Multiple Remote Vulnerabilities
发表于: 2010-9-9 10:45 1923

[转帖]MOAUB #8 - Sirang Web-Based D-Control Multiple Remote Vulnerabilities

2010-9-9 10:45
1923
'''  

  __  __  ____         _    _ ____   

|  \/  |/ __ \   /\  | |  | |  _ \   

| \  / | |  | | /  \ | |  | | |_) |  

| |\/| | |  | |/ /\ \| |  | |  _ <  Day 8 (0 day)  

| |  | | |__| / ____ \ |__| | |_) |  

|_|  |_|\____/_/    \_\____/|____/   

   

'''  

   

- Title  : Sirang Web-Based D-Control Multiple Remote Vulnerabilities   

- Affected Version : <= v6.0  

- Vendor  Site   : 860K9s2c8@1M7q4)9K6b7g2)9J5c8W2)9J5c8Y4N6%4N6#2)9J5k6i4y4A6M7X3q4F1k6#2)9J5k6h3y4G2L8g2)9J5y4X3&6T1M7%4m8Q4x3@1t1`.  

   

- 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 :   

067K9s2c8@1M7q4)9K6b7g2)9J5c8W2)9J5c8Y4N6%4N6#2)9J5k6i4y4A6N6r3g2Q4x3X3g2U0L8$3#2Q4x3V1k6E0j5h3W2F1i4K6g2X3k6X3q4Q4x3X3g2S2M7%4m8Q4x3@1k6K6N6r3q4@1N6i4y4Q4x3@1c8F1k6i4N6K6i4K6t1$3L8X3g2%4M7@1W2p5i4K6y4p5x3U0y4Q4x3U0N6Q4x3V1k6Q4x3V1q4Q4x3V1q4Q4x3V1k6#2L8X3W2G2L8W2)9J5c8W2)9J5b7g2)9J5b7g2)9J5c8X3q4D9L8q4)9J5c8W2)9J5b7g2)9J5b7g2)9J5c8Y4y4W2L8r3g2U0N6q4)9J5c8W2)9J5b7g2)9J5b7g2)9J5c8U0q4Q4x3V1x3J5i4K6u0o6x3#2)9J5b7K6c8Q4x3V1x3#2i4K6u0o6y4W2)9J5b7K6N6Q4x3V1x3^5i4K6u0o6z5g2)9J5b7K6p5H3i4K6u0o6x3e0q4Q4x3V1x3I4x3W2)9J5b7K6p5K6i4K6u0o6x3e0c8Q4x3V1x3I4y4g2)9J5b7K6p5$3i4K6u0r3i4K6u0m8i4K6u0m8i4K6u0r3k6Y4u0G2L8g2)9J5c8W2)9J5b7g2)9J5b7g2)9J5c8X3c8U0i4K6g2X3j5h3c8E0K9h3&6Q4x3V1k6Q4x3V1q4Q4x3U0k6F1j5Y4y4H3i4K6y4n7i4K6t1$3L8X3u0K6M7q4)9K6b7R3`.`.

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  

079K9s2c8@1M7q4)9K6b7g2)9J5c8W2)9J5c8Y4y4A6N6r3g2Q4x3X3g2U0L8$3#2Q4x3V1k6S2k6r3#2A6L8W2)9J5c8X3c8U0i4K6g2X3N6i4m8D9L8$3q4V1i4K6u0W2j5i4y4H3i4K6t1$3L8X3u0K6M7q4)9K6b7W2)9J5y4X3&6T1M7%4m8Q4x3@1t1`.

   

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 : b12K9s2c8@1M7q4)9K6b7g2)9J5c8W2)9J5c8Y4N6%4N6#2)9J5k6i4y4A6N6r3g2Q4x3X3g2U0L8$3#2Q4x3V1j5H3i4K6g2X3M7$3W2@1k6g2)9#2k6X3y4G2L8g2)9J5c8W2)9#2b7Y4u0F1k6q4)9J5k6r3&6#2L8h3u0W2M7W2)9#2c8q4)9J5k6h3q4K6M7l9`.`. (the application itself will show you right rnd number after upload)

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