Security Bulletin: Vulnerability in OpenSSL affect IBM SONAS (CVE-2017-3731)

Summary

OpenSSL is used by IBM SONAS. IBM SONAS has addressed the applicable CVEs.

Vulnerability Details

OpenSSL is used in IBM SONAS for providing communication security by encrypting data being transmitted.

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 SONAS
The product is affected when running a code releases 1.5.0.0 to 1.5.2.5

Remediation/Fixes

A fix for these issues is in version 1.5.2.6 of IBM SONAS. Customers running an affected version of SONAS should upgrade to 1.5.2.6 or a later version, so that the fix gets applied.

Please contact IBM support for assistance in upgrading your system.

Workarounds and Mitigations

Workaround(s): None

Mitigation(s):
Ensure that all users who have access to the system are authenticated by another security system such as a firewall.