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Category:   Application (Database)  >   IBM DB2 Vendors:   IBM
IBM DB2 Multiple Symlink Attacks Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1042086
SecurityTracker URL:  https://securitytracker.com/id/1042086
CVE Reference:   CVE-2018-1780, CVE-2018-1781, CVE-2018-1799, CVE-2018-1834   (Links to External Site)
Date:  Nov 12 2018
Impact:   Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.7, 10.1, 10.5, 11.1
Description:   Several vulnerabilities were reported in IBM DB2. A local user can obtain elevated privileges on the target system.

A local user can overwrite files on the target system to execute arbitrary commands with elevated privileges. This can be exploited to gain root privileges.

Eddie Zhu, BEIJING DBSEC TECHNOLOGY CO., LTD. reported these vulnerabilities.

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

For 9.7: APARs IT26142, IT26135, IT26141, IT26318
For 10.1: APARs IT26140, IT26134, IT26139, IT26317
For 10.5: APARs IT26137, IT26133, IT26136, IT26316
For 11.1: APARs IT26131, IT26129, IT26130, IT26315

The IBM advisory is available at:

https://www-01.ibm.com/support/docview.wss?uid=ibm10733939

Vendor URL:  www-01.ibm.com/support/docview.wss?uid=ibm10733939 (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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