IT02593: Security: DB2 contains a denial of service vulnerability in ALTER MODULE statement handling. (CVE-2014-3094)

DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows

APAR status

• Closed as program error.

Error description

• DB2 is vulnerable to a stack buffer overflow, caused by improper
  bounds checking by the handling of the ALTER MODULE statement. A
  remote attacker could overflow a buffer and execute arbitrary
  code on the system with DB2 instance owner privileges cause the
  server to crash.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All DB2 systems on all Linux, Unix and Windows platforms at  *
  * service levels Version 10.1 GA  through to Version 10.1 Fix  *
  * Pack 4.                                                      *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to DB2 Version 10.1 Fix Pack 5.                      *
  * Refer to remediation in security bulletin:                   *
  * http://www-01.ibm.com/support/docview.wss?uid=swg21681631    *
  ****************************************************************
  

Problem conclusion

• The complete fix for this problem first appears in DB2 Version
  10.1 Fix Pack 5.
  

Temporary fix

Comments

APAR Information

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

  IT02291

• 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

• RA10 PSN

     UP