Security Bulletin: Vulnerability found in OpenSSL release used by Windows and z/OS Security Identity Adapters (CVE-2017-3736)

Summary

A vulnerability was found in the OpenSSL release used by the Windows and z/OS Security Identity Adapters. These adapters have been upgraded to a more current OpenSSL release that corrects CVE-2017-3736, “bn_sqrx8x_internal carry bug on x86_64” vulnerability.

Vulnerability Details

CVEID: CVE-2017-3736 **
DESCRIPTION**:
CVE-2017-3736 : 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

IBM Security Identity Manager v6.0 Adapters for Windows and z/OS platforms
IBM Security Identity Adapters v7.x for Windows and z/OS platforms

Remediation/Fixes

Obtain the latest GA levels of 6.0 or 7.x adapters, as found on the Fix Link pages listed below:

Product

| Fix Link
—|—
ISIM v6.0 Adapters| Adapters for IBM Security Identity Manager v6.0
Security Identity v7.x Adapters for IGI, ISIM, PIM| IBM Security Identity Adapters