Executive Summary

Summary
Title IBM Power 5 Service Processor privilege escalation vulnerability
Informations
Name VU#194604 First vendor Publication 2012-12-12
Vendor VU-CERT Last vendor Modification 2013-01-02
Severity (Vendor) N/A Revision M

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:A/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.9 Attack Range Adjacent network
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 5.5 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Vulnerability Note VU#194604

IBM Power 5 Service Processor privilege escalation vulnerability

Original Release date: 12 Dec 2012 | Last revised: 02 Jan 2013

Overview

IBM Power 5 Service Processor contain a vulnerability which could allow an attacker to operate with elevated privileges.

Description

IBM's security advisory states, "A security issue has been identified on IBM Power 5 Systems such that the firewall code does not get executed in certain network configurations leading to elevated privilege. The issue only exists on Service Processor for IBM Power 5 Systems listed below and has not been found to exist in any other IBM System."

Impact

An attacker with access to the IBM Power 5 Service Processor could escalate their privileges allowing them to to perform administrative functions on the system.

Solution

Update


The vendor has stated that this vulnerability has been address in SF240_418_382. Users are advised to upgrade to SF240_418_382 or higher. The fix can be obtained from FixCentral by providing the MTM and current fix level.

IBM's security advisory states the following workaround, "Configure (any) Static IP addresses on at least one Ethernet interface of the IBM Service processor."

Vendor Information (Learn More)

IBM's security advisory states the following affected products and versions are affected by this vulnerability:
Platforms (MTM) Impacted: 9117-570, 9110-51A, 9111-520, 9131-52A, 9113-550, 9133-55A, 9116-561, 9111-285, 9115-505, 9110-510, 9118-575, 9123-710, 9124-720 9405-520, 9406-520, 9407-515, 9406-525, 9406-550, 9406-570

VendorStatusDate NotifiedDate Updated
IBM CorporationAffected10 Oct 201204 Dec 2012
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

GroupScoreVector
Base7.9AV:A/AC:M/Au:N/C:C/I:C/A:C
Temporal6.2E:POC/RL:OF/RC:C
Environmental1.8CDP:LM/TD:L/CR:ND/IR:ND/AR:ND

References

  • http://aix.software.ibm.com/aix/efixes/security/squadrons_advisory.asc

Credit

Thanks to Brian Smith for reporting this vulnerability.

This document was written by Michael Orlando.

Other Information

  • CVE IDs:CVE-2012-4856
  • Date Public:19 Nov 2012
  • Date First Published:12 Dec 2012
  • Date Last Updated:02 Jan 2013
  • Document Revision:14

Feedback

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Original Source

Url : http://www.kb.cert.org/vuls/id/194604

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-255 Credentials Management

CPE : Common Platform Enumeration

TypeDescriptionCount
Hardware 19
Os 21

Alert History

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Date Informations
2013-01-11 21:24:36
  • Multiple Updates
2013-01-11 21:22:34
  • Multiple Updates
2013-01-02 17:19:34
  • Multiple Updates
2013-01-02 17:17:51
  • Multiple Updates
2012-12-20 21:19:46
  • Multiple Updates
2012-12-13 21:21:42
  • Multiple Updates
2012-12-12 17:20:42
  • First insertion