IT20562: SECURITY: DB2 CLP WILL TRAP IF IT IS PASSED A ROUTINE NAME GREATER THEN THE ALLOWED MAXIMUM LENGTH (CVE-2017-1297).

DB2 Version 11.1 Mod 2 Fix Pack 2 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 3 Fix Pack 3 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod4 Fix Pack4 iFix001 for Linux, UNIX, and Windows

APAR status

• Closed as program error.

Error description

• DB2 Command Line Processor (CLP) background process (db2bp) will
  trap if CLP is passed a CALL statement containing a routine name
  greater then 386 characters.
  
  See security bulletin for details:
  http://www-01.ibm.com/support/docview.wss?uid=swg22004878
  

Local fix

• Perform length check on routine names in CLP CALL statements to
  disallow name length greater then 386 characters.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All DB2 systems on all Linux, Unix and Windows platforms at  *
  * service levels Version 11.1 GA  through to Version 11.1 Fix  *
  * Pack 1.                                                      *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to DB2 Version 11.1.2 Fix Pack 2 or see "Local Fix"  *
  * portion for other suggestions.                               *
  ****************************************************************
  

Problem conclusion

• The complete fix for this problem first appears in DB2 Version
  11.1.2 Fix Pack 2 and all the subsequent Fix Packs.
  

Temporary fix

Comments

APAR Information

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

  IT20498

• 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