Security Bulletin: Vulnerabilities in Open SSL affect Power Hardware Management Console (CVE-2015-4000)

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&gt; 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