Security Bulletin
Summary
OpenSSL is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVEs.
Vulnerability Details
CVEID: CVE-2015-4000
DESCRIPTION: The TLS protocol could allow a remote attacker to obtain sensitive information, caused by the failure to properly convey a DHE_EXPORT ciphersuite choice. An attacker could exploit this vulnerability using man-in-the-middle techniques to force a downgrade to 512-bit export-grade cipher. Successful exploitation could allow an attacker to recover the session key as well as modify the contents of the traffic. This vulnerability is commonly referred to as "Logjam".
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103294 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Affected Products and Versions
Power HMC V7.7.3.0
Power HMC V7.7.8.0
Power HMC V7.7.9.0
Power HMC V8.1.0.0
Power HMC V8.2.0.0
Power HMC V8.3.0.0
Remediation/Fixes
The following fixes are available on IBM Fix Central at: http://www-933.ibm.com/support/fixcentral/
| Product | VRMF | APAR | Remediation/First Fix |
Power HMC | V7.7.3.0 SP7 | MB03923 | Apply eFix MH01535 |
Power HMC | V7.7.8.0 SP2 | MB03924 | Apply eFix MH01536 |
Power HMC | V7.7.9.0 SP2 | MB03925 | Apply eFix MH01537 |
Power HMC | V8.8.1.0 SP2 | MB03920 | Apply eFix MH01532 |
Power HMC | V8.8.2.0 SP1 | MB03926 | Apply eFix MH01538 |
Power HMC | V8.8.3.0 | MB03927 | Apply eFix MH01539 |
Note:
1. For unsupported releases IBM recommends upgrading to a fixed, supported release of the product.
2. After applying the PTF, you should restart the HMC.
3. HMC V7.7.3 support is extended only for managing the Power 775 (9125-F2C) also called "PERCS" and "IH". End Of Service date for managing all other server models was 2013.05.31.
Workarounds and Mitigations
None
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References
Acknowledgement
None
Change History
28 July 2015: 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:
22 September 2021
UID
nas8N1020805