Security Bulletin: IBM® Db2® is vulnerable to privilege escalation (CVE-2020-4230).

Summary

IBM Db2 is vulnerable to a priviledge escalation. An authenticated local attacker with special permissions can execute specially crafted Db2 commands to modify the owner of stored procedures to SYSIBM, causing a privilege escalation.

Vulnerability Details

CVEID:CVE-2020-4230
**DESCRIPTION:**IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) is vulnerable to an escalation of privilege when an authenticated local attacker with special permissions executes specially crafted Db2 commands.
CVSS Base score: 6.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175212 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

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

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program, V11.1, V11.5 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: V11.1 FP5 V11.5 GA. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.

v11.1.4FP6

| IT31604|

Build for v11.1.4FP6

<https://www.ibm.com/support/pages/node/6427871&gt;

V11.5| TBD| IT31481| Special Build for V11.5 GA:

AIX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ little endian
Linux 64-bit, System z®, System z9® or zSeries®
Windows 32-bit, x86
Windows 64-bit, x86

Workarounds and Mitigations

None