Security Bulletin: IBM® Db2® is vulnerable to an unauthorized command that allows the database to be activated when authentication type is CLIENT (CVE-2017-1520)

Summary

For a CLIENT authentication type, a user without proper authority can activate database. The database becomes activated, but requires authentication to proceed further. This does not allow unauthorized access to the database. This issue applies to the application side.

Vulnerability Details

CVEID: CVE-2017-1520 DESCRIPTION: IBM Db2 is vulnerable to an unauthorized command that allows the database to be activated when authentication type is CLIENT.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/129830 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, and V11.1 editions on all platforms are affected.

Remediation/Fixes

The recommended solution is to apply the appropriate fix for this vulnerability.

FIX:

Customers running any vulnerable fixpack level of an affected Program, V9.7, V10.1, V10.5, and V11.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent fixpack level for each impacted release: DB2 V9.7 FP11, V10.1 FP6, V10.5 FP8 and V11.1.2.2 FP2. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.

AIX 64-bit
HP-UX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ big endian
Linux 64-bit, System z®, System z9® or zSeries®
Solaris 64-bit, SPARC
Solaris 64-bit, x86-64
Windows 32-bit, x86
Windows 64-bit, x86

V10.1 | TBD | IT21973 | Special Build for V10.1 FP6:

AIX 64-bit
HP-UX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ big endian
Linux 64-bit, System z®, System z9® or zSeries®
Solaris 64-bit, SPARC
Solaris 64-bit, x86-64
Windows 32-bit, x86
Windows 64-bit, x86

V10.5 | FP9 | IT21462 |

<http://www-01.ibm.com/support/docview.wss?uid=swg24044110&gt;

V11.1.2.2 | iFix001 | IT21459 | <http://www-01.ibm.com/support/docview.wss?uid=swg24044133&gt;

Workarounds and Mitigations

Do not use CLIENT authentication type.