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AUSCERT External Security Bulletin Redistribution
ESB-2012.0745
IBM Hardware Management Console viosvrcmd command privilege escalation
8 August 2012
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Hardware Management Console
Publisher: ISS
Operating System: Network Appliance
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2012-2188
Original Bulletin:
http://xforce.iss.net/xforce/xfdb/75906
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IBM Hardware Management Console viosvrcmd command privilege escalation
ibm-hmc-viosvrcmd-priv-escalation (75906) High Risk
Description:
IBM Hardware Management Console could allow a local attacker to gain elevated
privileges on the system, caused by improper validation of user-supplied input.
An attacker could exploit this vulnerability via a specially-crafted viosvrcmd
command argument to execute arbitrary commands on the system with root
privileges.
*CVSS:
Base Score: 7.2
Access Vector: Local
Access Complexity: Low
Authentication: None
Confidentiality Impact: Complete
Integrity Impact: Complete
Availability Impact: Complete
Temporal Score: 6.3
Exploitability: High
Remediation Level: Official-Fix
Report Confidence: Confirmed
Consequences:
Gain Privileges
Remedy:
Refer to IBM Security Bulletin for patch, upgrade or suggested workaround
information. See References.
References:
IBM APAR MB03548: PTF MH01276 HMC V7R7.2.0 Service Pack 3.
http://www-933.ibm.com/support/fixcentral/firmware/readme?fixid=MH01276
IBM APAR MB03550: PTF MH01277 HMC V7R3.5.0 Service Pack 4.
http://www-933.ibm.com/support/fixcentral/firmware/readme?fixid=MH01277
IBM APAR MB03554: PTF MH01279 HMC V7 R7.3.0 Service Pack 2.
http://www-933.ibm.com/support/fixcentral/firmware/readme?fixid=MH01279
IBM Security Bulletin: Power HMC viosrvcmd command allows elevated privilege on
VIOS (CVE-2012-2188).
https://www-304.ibm.com/connections/blogs/PSIRT/entry/security_bulletin_power_hmc_viosrvcmd_command_allows_elevated_privilege_on_vios_cve_2012_218825?lang=en_us
BID-54844: IBM Multiple Products CVE-2012-2188 Local Privilege Escalation
Vulnerability
CVE-2012-2188: IBM Power Hardware Management Console (HMC) 7R3.5.0 before SP4,
7R7.1.0 and 7R7.2.0 before 7R7.2.0 SP3, and 7R7.3.0 before SP2, and Systems
Director Management Console (SDMC) 6R7.3.0 before SP2, does not properly
restrict the VIOS viosrvcmd command, which allows local users to gain
privileges via vectors involving a (1) $ (dollar sign) or (2) & (ampersand)
character.
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2188
Platforms Affected:
IBM Power Hardware Management Console V7 R3.5.0
IBM Power Hardware Management Console V7 R7.1.0
IBM Power Hardware Management Console V7 R7.2.0
IBM Power Hardware Management Console V7 R7.3.0
IBM Systems Director Management Console V6 R7.3.0
Reported:
Jul 31, 2012
The information within this database may change without notice. Use of this
information constitutes acceptance for use in an AS IS condition. There are NO
warranties, implied or otherwise, with regard to this information or its use.
Any use of this information is at the user's risk. In no event shall the
author/distributor (IBM Internet Security Systems X-Force) be held liable for
any damages whatsoever arising out of or in connection with the use or spread
of this information.
For corrections or additions please email xforce@us.ibm.com
* 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.
The information within this database may change without notice. Use of this
information constitutes acceptance for use in an AS IS condition. There are NO
warranties, implied or otherwise, with regard to this information or its use.
Any use of this information is at the user's risk. In no event shall IBM be
held liable for any damages whatsoever arising out of or in connection with the
use or spread of this information.
About IBM Internet Security Systems
IBM Internet Security Systems is a trusted security advisor to thousands of the
world's leading businesses and governments, helping to provide pre-emptive
protection for networks, desktops and servers. The IBM Proventia integrated
security platform is designed to automatically protect against both known and
unknown threats, helping to keep networks up and running and shield customers
from online attacks before they impact business assets. IBM Internet Security
Systems products and services are based on the proactive security intelligence
of its X-Force research and development team an unequivocal world authority
in vulnerability and threat research. The IBM Internet Security Systems product
line is also complemented by comprehensive Managed Security Services and
Professional Security Services. For more information, visit the IBM Internet
Security Systems Web site at www.iss.net or call 800-776-2362.
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