Vulnerability CVE-2012-2188
Published: 2012-08-06

Description:
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.

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
IBM -> Power hardware management console firmware 
IBM -> Systems director management console firmware 

 References:
http://xforce.iss.net/xforce/xfdb/75906
http://www.ibm.com/support/docview.wss?uid=isg1MB03580
http://www.ibm.com/support/docview.wss?uid=isg1MB03554
http://www.ibm.com/support/docview.wss?uid=isg1MB03550
http://www.ibm.com/support/docview.wss?uid=isg1MB03548
http://www.ibm.com/connections/blogs/PSIRT/entry/security_bulletin_power_hmc_viosrvcmd_command_allows_elevated_privilege_on_vios_cve_2012_218825
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