Re: CacheFlow CacheOS Cross-site Scripting Vulnerability

From: Blueat_private, Coatat_private, Systemsat_private (Blueat_private)
Date: Mon Sep 02 2002 - 22:37:13 PDT

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    -----------------------------------------------------------
    Blue Coat Systems (formerly CacheFlow) Cross Site Scripting Vulnerability
    -----------------------------------------------------------
    
    Blue Coat Systems thanks T. Suzuki of Reflection Inc. / Chukyo University 
    for the help in finding and bringing this exploit to the attention of our 
    support team.  An excellent job was done in providing a detailed 
    explanation of the problem and the solution.  To provide complete 
    clarification Blue Coat Systems Support is providing an official response 
    to this vulnerability.
    
    VULNERABLE SOFTWARE VERSIONS
    ============================
    
      Client Accelerators
        CA 4.1.06 and earlier
    
      Server Accelerators
        SA 4.1.06 and earlier
    
      Security Gateways
        SG 2.1.02 and earlier
    
    
    EXPLOIT
    =======
    
      It is possible to send HTML special characters (such as "<", ">" and
      "&") to the client browser via the appliance's error pages.
    
    IMPACT
    ======
    
      Users may involuntarily invoke a client side script.
    
    SUGGESTED SOLUTION
    ==================
    
      Client Accelerators
        Upgrade to CA 4.1.07 or higher
    
      Server Accelerators
        Upgrade to SA 4.1.07 or higher
    
      Security Gateways
        Upgrade to SG 2.1.03 or higher
    
    ALTERNATIVE SOLUTION
    ====================
    
      Client Accelerators
        CA 3.1.XX
          Upgrade the custom error pages.
          Download the updated error pages file and install instructions at
    
          http://download.cacheflow.com/release/CA/3.1.00-docs/v3.1-error-
    pages.zip
    
    
        CA 4.0.XX
          Upgrade the custom error pages.
          Download the updated error pages file and install instructions at
    
          http://download.cacheflow.com/release/CA/4.0.00-docs/CA4-error-
    pages.zip
    
      Server Accelerators
        SA 4.0.XX
    
          Upgrade the custom error pages.
          Download the updated error pages file and install instructions at
    
          http://download.cacheflow.com/release/SA/4.0.00-docs/SA4-error-
    pages.zip
    
      Security Gateways
        None
    
    Blue Coat Systems (formerly CacheFlow) Support Department
    UNITED STATES DOMESTIC: 866.362.2628
    DOMESTIC/INTERNATIONAL CALLS: 408.220.2270
    ASIA PACIFIC RIM: 81.3.5425.8492
    EMAIL: supportat_private
    



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