Security Bulletin: IBM Pure Application System is affected by a vulnerability in the GSKit component (CVE-2017-3736)

Security Bulletin

Summary

There is a vulnerability in the GSKit component used by IBM Pure Application System. The following vulnerability has been addressed.

Vulnerability Details

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 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 PureApplication System V2.2.3.0
IBM PureApplication System V2.2.3.1
IBM PureApplication System V2.2.3.2
IBM PureApplication System V2.2.4.0
IBM PureApplication System V2.2.5.0
IBM PureApplication System V2.2.5.1

Remediation/Fixes

The solution is to upgrade the IBM PureApplication System to the following fix level:

IBM PureApplication V2.2.5.2

IBM recommends upgrading to a fixed version of the product. Contact IBM for assistance.

Information on upgrading can be found here: http://www-01.ibm.com/support/docview.wss?uid=swg27039159

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

June 29, 2018: Original document 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.

Internal Use Only

Advisory ID 11295

Product Record ID 115460

RTC 240145

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Tips

Security Bulletin: IBM Pure Application System is affected by a vulnerability in the GSKit component (CVE-2017-3736)