IBM Support

IT19755: SECURITY VULNERABILITY - XML ENTITY EXPANSION (BILLION LAUGHS ATTACKS> LEADS TO DENIAL OF SERVICE

Direct links to fixes

Media_IM_5020603_2
iSeries_Media_5020603_2.zip
iSeries_Media_5020603_2.zip
Media_IM_5020603_2

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APAR status

  • Closed as program error.

Error description

  • Security Vulnerability - XML Entity Expansion (Billion Laughs
Attack) leads to Denial of Service.

The IBM Sterling Filegateway application is configured to
process recursively defined XML entities, which may lead to a
denial of service condition if a sufficiently large set of
recursive entity references is defined in the XML request.

Local fix

  • None

STRRTC 530673
KK/KK

Problem summary

  • Users Affected:
All

Problem Description:
Security Vulnerability - XML entity expansion (billion laughs
attack) leads to denial of service.

Platforms Affected:
All

Problem conclusion

  • Resolution Summary:
A code fix is provided.

Delivered In:
5020602_4
5020603_2
6000001
5020604_1

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT19755
    • 

  • Reported component name
    STR B2B INTEGRA
    • 

  • Reported component ID
    5725D0600
    • 

  • Reported release
    526
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2017-03-17
    • 

  • Closed date
    2017-05-12
    • 

  • Last modified date
    2019-03-29
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    STR B2B INTEGRA
    • 

  • Fixed component ID
    5725D0600
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS3JSW","label":"IBM Sterling B2B Integrator"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.2.6","Edition":"","Line of Business":{"code":"LOB02","label":"AI Applications"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            29 March 2019
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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