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IC81837: SECURITY: DENIAL OF SERVICE SECURITY VULNERABILITY IN DB2'S XML FEATURE (CVE-2012-0712).

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • There is a security vulnerability in the DB2's XML Feature which
    would allow an authenticated, malicious user to remotely
    cause a denial of service.  To exploit the vulnerability, the
    user would need to have valid security credentials, and CONNECT
    and CREATEIN privilege to the database.
    

Local fix

  • The vulnerability could be mitigated by revoking CONNECT and
    CREATEIN privilege from public.
    
    REVOKE CONNECT ON DATABASE FROM PUBLIC
    REVOKE IMPLICIT_SCHEMA ON DATABASE FROM PUBLIC
    
    REVOKE CONNECT ON DATABASE FROM PUBLIC
    REVOKE IMPLICIT_SCHEMA ON DATABASE FROM PUBLIC
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All DB2 systems on all Linux, Unix and Windows platforms at  *
    * service levels Version 9.8 GA  through to Version 9.8 Fix    *
    * Pack 4.                                                      *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 Version 9.8 Fix Pack 5.                       *
    ****************************************************************
    

Problem conclusion

  • The complete fix for this problem first appears in DB2 Version
    9.8 Fix Pack 5 and all the subsequent Fix Packs.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC81837

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    980

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-03-06

  • Closed date

    2012-05-30

  • Last modified date

    2012-06-11

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

    IC80736

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

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R950 PSN

       UP

  • R970 PSN

       UP

  • R980 PSN

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.8

Reference #: IC81837

Modified date: 11 June 2012


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