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AUSCERT External Security Bulletin Redistribution
ESB-2014.1466
A number of vulnerabilities have been identified in IBM PowerVC
28 August 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM PowerVC Standard Edition
Publisher: IBM
Operating System: Linux variants
Impact/Access: Increased Privileges -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2014-3093 CVE-2014-0907
Reference: ESB-2014.0981
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=nas8N1020242
http://www-01.ibm.com/support/docview.wss?uid=nas8N1020243
Comment: This bulletin contains two (2) IBM security advisories.
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Security Bulletin: IBM PowerVC - Clear text passwords and access tokens found
on the PowerVC management node (CVE-2014-3093)
Security Bulletin
Document information
More support for:
PowerVC Standard Edition
Software version:
1.2.0, 1.2.1
Operating system(s):
Linux
Reference #:
N1020242
Modified date:
2014-08-25
Summary
PowerVC is exposing clear text passwords and access tokens to local users via
log and configuration files, command line arguments, and diagnostic results.
Vulnerability Details
CVE ID:
CVE-2014-3093
DESCRIPTION:
A clear text password for the powervc-validator service account was found in
the world-readable file /etc/validator/api-paste.ini
Enabling debug logging resulted in passwords and access tokens being logged in
clear text in multiple places.
Installation, environment checks, and the powervc-ldap-config and
powervc-restore CLI commands expose clear text passwords on the command line,
allowing them to be seen in the process table.
The powervc-diag CLI command prints the access token that it uses to collect
its results and logs that token as well as other tokens.
CVSS:
CVSS Base Score: 2.1
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/94259 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N)
Affected Products and Versions
PowerVC Express Edition 1.2.0.0 through 1.2.0.2
PowerVC Express Edition 1.2.1.0 through 1.2.1.1
PowerVC Standard Edition 1.2.0.0 through 1.2.0.2
PowerVC Standard Edition 1.2.1.0 through 1.2.1.1
Remediation/Fixes
The recommended solution is to apply the fix as soon as practical. Install
PowerVC 1.2.0 FixPack3 or PowerVC 1.2.1 FixPack2. The fixpacks are available
on IBM Fix Central.
Workarounds and Mitigations
File permissions for /etc/validator/api-paste.ini may be changed to restrict
access by running the following commands:
/bin/chown root:powervc-validator /etc/validator/api-paste.ini
/bin/chmod 640 /etc/validator/api-paste.ini
Do not enable debug logging on affected versions.
Wait 6 hours after running powervc-diag before sharing the results with an
untrusted party. This allows enough time for any access tokens recorded in the
results to expire.
References
Complete CVSS Guide
On-line Calculator V2
CVE-2014-3093
http://xforce.iss.net/xforce/xfdb/94259
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Acknowledgement
None
*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
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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Security Bulletin: IBM PowerVC Local escalation of privilege vulnerability in
IBM DB2 (CVE-2014-0907)
Security Bulletin
Document information
More support for:
PowerVC Standard Edition
Software version:
1.2.0, 1.2.1
Operating system(s):
Linux
Reference #:
N1020243
Modified date:
2014-08-25
Summary
A vulnerability in IBM DB2 could allow a local user to gain elevated
privileges.
Vulnerability Details
CVE ID:
CVE-2014-0907
DESCRIPTION:
The versions of IBM DB2 included in the PowerVC products listed below contain
a security vulnerability which allows a malicious user to gain root privilege.
This vulnerability can only be exploited by users through a local system
account login.
CVSS:
CVSS Base Score: 6.9
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/91869 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Affected Products and Versions
PowerVC Express Edition 1.2.0.0 through 1.2.0.2
PowerVC Express Edition 1.2.1.0 through 1.2.1.1
PowerVC Standard Edition 1.2.0.0 through 1.2.0.2
PowerVC Standard Edition 1.2.1.0 through 1.2.1.1
Remediation/Fixes
The recommended solution is to apply the fix as soon as practical. Install
PowerVC 1.2.0 FixPack3 or PowerVC 1.2.1 FixPack2. The fixpacks are available
on IBM Fix Central.
Workarounds and Mitigations
The following remediation instructions should remove the vulnerability without
side-effects. The user executing the commands must be root.
cd /home/pwrvcdb/sqllib
bin/db2chglibpath -s '\.:' -r '' adm/db2iclean
References
Complete CVSS Guide
On-line Calculator V2
CVE-2014-0907
X-Force Database Entry 91869
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Acknowledgement
Tim Brown from Portcullis Computer Security Ltd.
Change History
First version published 08/25/2014
*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
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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