IC65922: SECURITY: BUFFER OVERRUN IN REPEAT UDF (CVE-2010-0462)

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • The scalar function REPEAT contains a buffer overrun defect that
    malicious user could manipulate, causing the DB2 server to trap.
    
    A valid database connection is required to exploit the
    vulnerability.
    

Local fix

  • It is not possible to revoke EXECUTE privilege on the scalar
    function REPEAT from PUBLIC.
    To minimize the exposure, revoke CONNECT privilege from PUBLIC
    and only grant CONNECT privilege to trusted users.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All DB2 systems on all Linux, Unix and Windows platforms     *
    * atservice levels from Version 9.1 GA through to Version      *
    * 9.1Fix Pack 9.                                               *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See error description.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 Version 9.1 Fix Pack 9 or see "Local          *
    * Fix"portion for other suggestions.                           *
    ****************************************************************
    

Problem conclusion

  • The complete fix for this problem first appears in DB2 Version
    9.1 Fix Pack 9 and all the subsequent Fix Packs.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC65922

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    910

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-01-28

  • Closed date

    2010-04-15

  • Last modified date

    2010-08-17

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

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

    IC65933 IC65935

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R910 PSN

       UP



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Document information


More support for:

DB2 for Linux, UNIX and Windows

Software version:

9.1

Reference #:

IC65922

Modified date:

2010-08-17

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