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

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

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



Rate this page:

(0 users)Average rating

Add comments

Document information


More support for:

DB2 for Linux, UNIX and Windows

Software version:

9.8

Reference #:

IC81837

Modified date:

2012-06-11

Translate my page

Machine Translation

Content navigation