IBM Support

LI79891: CMS KBD WEAKNESS VULNERABILITY AND OTHER REPORTED ISSUES

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APAR status

  • Closed as program error.

Error description

  • Communications Server for Data Center Deployment, V7
Communications Server for AIX, V6.4
Communications Server for Linux, V6.4
Communications Server for Linux of System z, V6.4
Communications Server for Windows, V6.4 and V6.1.3
----------------------------------------------------
This fix addresses the following reported vulnerability. The
GSKit CMS KDB logic fails to salt the hash function resulting in
weaker than expected protection of passwords. A weak password
may be recovered. Also, this APAR addresses vulnerabilities
reported in OpenSSL libcrypt library for CVE-2017-3736 and
CVE-2017-37.

Local fix

  • 



Problem summary


    

  • This fix addresses the following reported vulnerability. The
GSKit CMS KDB logic fails to salt the hash function resulting in
weaker than expected protection of passwords. A weak password
may be recovered. Also, this APAR addresses vulnerabilities
reported in OpenSSL libcrypt library for CVE-2017-3736 and
CVE-2017-37.

    



Problem conclusion


    

  • Note: After update the administrator should change password to
ensure the new password is stored more securely. Products should
encourage customers to take this step as a high priority
action.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    LI79891
    • 

  • Reported component name
    CS LINUX ON ZSE
    • 

  • Reported component ID
    5724I3400
    • 

  • Reported release
    640
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2018-01-31
    • 

  • Closed date
    2018-01-31
    • 

  • Last modified date
    2018-01-31
    • 





    

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

    
IJ03789
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    CS LINUX ON ZSE
    • 

  • Fixed component ID
    5724I3400
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSDMF3","label":"Communications Server for Linux on zSeries"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"640","Edition":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            31 January 2018
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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