Security Bulletin: OpenSSL Vulnerability Affects IBM Sterling Connect:Express for UNIX (CVE-2019-1551)

Summary

A security vulnerability has been disclosed on 6th December 2019 by the OpenSSL Project. OpenSSl is used by IBM Sterling Connect:Express for UNIX. IBM Sterling Connect:Express for UNIX has addressed the applicable CVE.

Vulnerability Details

CVEID:CVE-2019-1551
**DESCRIPTION:**OpenSSL could allow a remote attacker to obtain sensitive information, caused by an overflow in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. By performing a man-in-the-middle attack, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)

Affected Products and Versions

All versions prior to and including 1.5.0.16 iFix 150-1604

Remediation/Fixes

Apply the OpenSSL 1.1.1f Updater for Connect:Express for Unix available on Fix Central.

For versions prior 1.5.0.1600 upgrade to 1.5.0.1604 before applying the OpenSSL 1.1.1f Updater.

Workarounds and Mitigations

None