Security Bulletin
Summary
IBM PowerVC is impacted by Local escalation of privilege vulnerability in DB2 for Linux (CVE-2016-5995)
Vulnerability Details
CVE-ID: CVE-2016-5995
Description: DB2 for Linux, Unix and Windows is vulnerable to a privilege escalation due to code being built with binaries with libraries in insecure locations. A local user could place a malicious library in a location that a SETGID or SETUID binary would execute and gain root level access.
CVSS Base Score: 8.40
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116653 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
PowerVC Standard Edition 1.2.3.0 through 1.2.3.3
PowerVC Standard Edition 1.3.0.0 through 1.3.0.2
Remediation/Fixes
For PowerVC 1.2.3, update to 1.2.3 FP3 and then apply the IT17260 interim fix from FixCentral:https://www-945.ibm.com/support/fixcentral/swg/selectFixes?product=ibm%2FOther+software%2FPowerVC&fixids=Security-Fix-1.2.3.3-PowerVC-RHEL-NOARCH-APAR-IT17260&source=SAR&function=fixId&parent=ibm/Other%20software
For PowerVC 1.3.0, update to 1.3.0 FP2 and then apply the IT17260 interim fix from FixCentral:https://www-945.ibm.com/support/fixcentral/swg/selectFixes?product=ibm%2FOther+software%2FPowerVC&fixids=Security-Fix-1.3.0.2-PowerVC-RHEL-NOARCH-APAR-IT17260&source=SAR&function=fixId&parent=ibm/Other%20software.
Workarounds and Mitigations
Running the following commands will remove the vulnerability without side-effects. The user executing the commands must be root.
/home/pwrvcdb/sqllib/bin/db2chglibpath -s '\.:' -r '' /home/pwrvcdb/sqllib/adm/db2iclean
/opt/ibm/powervc/db/bin/db2chglibpath -s '\.:' -r '' /opt/ibm/powervc/db/adm/db2iclean
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References
Acknowledgement
None
Change History
12 October 2016: Original version published
*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.
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Document Information
Modified date:
17 June 2018
UID
nas8N1021652