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Security Bulletin: Multiple privilege escalation vulnerabilities in IBM DB2 HPU

Security Bulletin


Summary

IBM DB2 High Performance Unload load privilege escalation in IBM DB2 HPU debug binary via trusted PATH and privilege escalation in IBM DB2 HPU via loading DB2 library

Vulnerability Details

Relevant CVE Information:
CVEID: CVE-2019-4447
DESCRIPTION: IBM DB2 High Performance Unload load shared libraries from an untrusted path potentially giving low privilege user full access to root by loading a malicious shared library.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163488 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2019-4448
DESCRIPTION: IBM DB2 High Performance Unload executes binaries from an untrusted path which could allow a local user to execute arbitrary code as the root user.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/163489 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

DB2 High Performance Unload load for LUW  6.1

DB2 High Performance Unload load for LUW  6.1.0.1

DB2 High Performance Unload load for LUW  6.1.0.1 IF1

DB2 High Performance Unload load for LUW  6.1.0.2

DB2 High Performance Unload load for LUW  6.1.0.2 IF1

DB2 High Performance Unload load for LUW  6.1.0.2 IF2

Remediation/Fixes

Product VRMF Remediation/First Fix
InfoSphere Optim High Performance Unload for DB2 for Linux- UNIX and Windows had been fixed in V6.1.0.3
https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EInformation%20Management&product=ibm/Information+Management/Optim+High+Performance+Unload+for+DB2+Linux+UNIX+and+Windows&release=6.1.0.3&platform=All&function=all

Workarounds and Mitigations

N/A

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

The vulnerability was reported to IBM by Rich Mirch

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Document Information

Modified date:
21 August 2019

UID

ibm10964592

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