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Security Bulletin: Vulnerability in OpenSSL affects IBM Sterling Connect:Direct for UNIX (CVE-2017-3731)

Created by Marvin Finch on
Published URL:
https://www.ibm.com/support/pages/node/714949
714949

Security Bulletin


Summary

OpenSSL vulnerabilities were disclosed on January 26, 2017 by the OpenSSL Project. OpenSSL is used by IBM Sterling Connect:Direct for UNIX. IBM Sterling Connect:Direct for UNIX has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2017-3731
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an out-of-bounds read when using a specific cipher. By sending specially crafted truncated packets, a remote attacker could exploit this vulnerability using CHACHA20/POLY1305 to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/121312 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:N/A:L)

Affected Products and Versions

IBM Sterling Connect:Direct for Unix 4.1.0

Remediation/Fixes

V.R.M.F

 APAR Remediation/First Fix
4.1.0 IT21414 Apply 4.1.0.4.iFix099, available on Fix Central

Alternatively, upgrade to version 4.2.0, which is not affected by the vulnerability.

Workarounds and Mitigations

None

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Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.

References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

14 July 2017: 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:
24 July 2020

UID

swg22005893

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