Security Bulletin: Vulnerabilities in OpenSSL affect Power Hardware Management Console (CVE-2017-3737, CVE-2017-3736)

Summary

OpenSSL is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVEs

Vulnerability Details

CVEID: CVE-2017-3737 DESCRIPTION: OpenSSL could allow a remote attacker to bypass security restrictions, caused by a flaw in the "error state" mechanism when directly calling SSL_read() or SSL_write() for an SSL object after receiving a fatal error. An attacker could exploit this vulnerability to bypass the decryption or encryption process and perform unauthorized actions.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/136077&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2017-3736 DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a carry propagation flaw in the x86_64 Montgomery squaring function bn_sqrx8x_internal(). An attacker with online access to an unpatched system could exploit this vulnerability to obtain information about the private key.
CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/134397&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Power HMC V8.6.0.0
Power HMC V8.7.0.0
Power HMC V9.1.910.0

Remediation/Fixes

The following fixes are available on IBM Fix Central at: <http://www-933.ibm.com/support/fixcentral/&gt;

Product

|

VRMF

|

APAR

|

Remediation/Fix

—|—|—|—

Power HMC

|

V8.8.6.0 SP3

|

MB04172

|

MH01784

Power HMC

|

V8.8.7.0 SP2 ppc

|

MB04174

|

MH01786

Power HMC

|

V8.8.7.0 SP2 x86

|

MB04173

|

MH01785

Power HMC

|

V9.1.920.0 ppc

| MB04176 | MH01760
Power HMC | V9.1.920.0 x86 | MB04175 | MH01759

Workarounds and Mitigations

None