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Category:   Application (Database)  >   IBM DB2 Vendors:   IBM
IBM DB2 Object Deserialization Flaw in JDBC Driver Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1041227
SecurityTracker URL:  http://securitytracker.com/id/1041227
CVE Reference:   CVE-2017-1677   (Links to External Site)
Date:  Jul 6 2018
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.5, 9.7, 10.1, 10.5, 11.1
Description:   A vulnerability was reported in IBM DB2. A local user can obtain elevated privileges on the target system.

A local user can modify the contents of a file on the target system ('/tmp/connlicj.bin' by default) to exploit an object deserialization error in the IBM Data Server Driver for JDBC and SQLJ and potentially execute arbitrary code on the target system with elevated privileges.

Martin Strand reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   IBM has issued a fix.

For 9.5: APAR IT23575
For 9.7: APAR IT23575
For 10.1: APAR IT23590
For 10.5: APAR IT23591
For 11.1: APAR IT23592

The IBM advisory is available at:

https://www-01.ibm.com/support/docview.wss?uid=swg22012479

Vendor URL:  www-01.ibm.com/support/docview.wss?uid=swg22012479 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (AIX), UNIX (HP/UX), UNIX (Solaris - SunOS)

Message History:   None.


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