Security Bulletin: Vulnerability in OpenSSL affect Rational Tau (CVE-2016-2177)

Summary

OpenSSL vulnerabilities were disclosed by the OpenSSL Project. OpenSSL is used by Rational Tau. Rational Tau has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2016-2177**
DESCRIPTION:** OpenSSL is vulnerable to a denial of service, caused by the incorrect use of pointer arithmetic for heap-buffer boundary checks. By leveraging unexpected malloc behavior, a remote attacker could exploit this vulnerability to trigger an integer overflow and cause the application to crash.
CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/113890&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:N/I:N/A:H)

Affected Products and Versions

4.3, 4.3.0.1, 4.3.0.2, 4.3.0.3, 4.3.0.4, 4.3.0.5, 4.3.0.6, 4.3.0.6 Interim Fix 1, 4.3.0.6 Interim Fix 2, 4.3.0.6 Interim Fix 3, 4.3.0.6 Interim Fix 4, 4.3.0.6 Interim Fix 5, 4.3.0.6 Interim Fix 6, 4.3.0.6 Interim Fix 7

Remediation/Fixes

Upgrade to Rational Tau Interim Fix 8 for 4.3.0.6

Workarounds and Mitigations

None