XAMPP 1.8.1 – ‘lang.php?WriteIntoLocalDisk method’ Local Write Access

  • 作者: Manuel García Cárdenas
    日期: 2013-09-30
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/28654/
  • =============================================
    INTERNET SECURITY AUDITORS ALERT 2013-007
    - Original release date: March 14th, 2013
    - Last revised:March 19th, 2013
    - Discovered by: Manuel García Cárdenas
    - Severity: 6,8/10 (CVSS Base Score)
    - CVE-ID: CVE-2013-2586
    =============================================
    
    I. VULNERABILITY
    -------------------------
    XAMPP 1.8.1 Local Write Access Vulnerability
    
    II. BACKGROUND
    -------------------------
    XAMPP is a free and open source cross-platform web server solution stack
    package, consisting mainly of the Apache HTTP Server, MySQL database, and
    
    interpreters for scripts written in the PHP and Perl programming languages.
    
    III. DESCRIPTION
    -------------------------
    It has been detected than an unprivileged user can write in the local
    disk and the local file "lang.tmp" can be modified in the remote machine.
    
    The injection is done through the page "/xampp/lang.php".
    
    IV. PROOF OF CONCEPT
    -------------------------
    Malicious Request
    
    http://vulnerablesite.com/xampp/lang.php?WriteIntoLocalDisk
    
    And next, if we access to the file:
    
    http://vulnerablesite.com/xampp/lang.tmp
    
    We can verify that the file was modified.
    
    V. BUSINESS IMPACT
    -------------------------
    An attacker can execute arbitrary HTML or script code in a targeted
    user's browser, this can leverage to steal sensitive information as user
    credentials,
    
    personal data, etc.
    
    VI. SYSTEMS AFFECTED
    -------------------------
    XAMPP 1.8.1
    
    VII. SOLUTION
    -------------------------
    All data received by the application that can be modified by the user
    must be validated.
    
    VIII. REFERENCES
    -------------------------
    http://www.apachefriends.org
    http://www.isecauditors.com
    
    IX. CREDITS
    -------------------------
    This vulnerability has been discovered
    by Manuel García Cárdenas (mgarcia (at) isecauditors (dot) com).
    
    X. REVISION HISTORY
    ------------------------
    March 14, 2013: Initial release
    September 26, 2013: Final release
    
    XI. DISCLOSURE TIMELINE
    -------------------------
    March14, 2013: Vulnerability acquired by Internet Security
    Auditors (www.isecauditors.com).
    March16, 2013: CVE-ID received.
    March18, 2013: Sent to Development Manager.
    August 30, 2013: New version that includes patched code.
    September 26, 2013: Sent to lists.
    
    
    XII. LEGAL NOTICES
    -------------------------
    The information contained within this advisory is supplied "as-is" with
    no warranties or guarantees of fitness of use or otherwise. Internet
    Security
    
    Auditors accepts no responsibility for any damage caused by the use or
    misuse of this information.
    
    XIII. ABOUT
    -------------------------
    Internet Security Auditors is a Spain based leader in web application
    testing, network security, penetration testing, security compliance
    implementation and
    
    assessing. Our clients include some of the largest companies in areas
    such as finance, telecommunications, insurance, ITC, etc. We are vendor
    independent
    
    provider with a deep expertise since 2001. Our efforts in R&D include
    vulnerability research, open security project collaboration and
    whitepapers,
    
    presentations and security events participation and promotion. For
    further information regarding our security services, contact us.
    
    XIV. FOLLOW US
    -------------------------
    You can follow Internet Security Auditors, news and security advisories at:
    https://www.facebook.com/ISecAuditors
    https://twitter.com/ISecAuditors
    http://www.linkedin.com/company/internet-security-auditors
    http://www.youtube.com/user/ISecAuditors