Security Bulletin: Vulnerabilities in deserialization of openid connect cookie

Summary

There are vulnerabilities in deserialization of openid connect cookie used by IBM Streams. IBM Streams has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2018-1851 DESCRIPTION: IBM WebSphere Application Server OpenID Connect could allow a remote attacker to execute arbitrary code on the system, caused by improper deserialization. By sending a specially-crafted request to the RP service, an attacker could exploit this vulnerability to execute arbitrary code.
CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/150999&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

NOTE: Fix Packs are available on IBM Fix Central.

To remediate/fix this issue, follow the instructions below:

Version 4.3.x: Apply 4.3.0 Fix Pack 1 (4.3.0.1) or higher .
Version 4.2.x: Apply 4.2.1 Fix Pack 4 (4.2.1.6) or higher .
Version 4.1.x: Apply 4.1.1 Fix Pack 6 (4.1.1.8) or higher .
Version 4.0.x: Apply 4.0.1 Fix Pack 6 (4.0.1.6) or higher .
Versions 3.2.x, 3.1.x, and 3.0.x: For versions earlier than 4.x.x, IBM recommends upgrading to a fixed, supported version/release/platform of the product. Customers who cannot upgrade and need to secure their installation should open a PMR with IBM Technical Support and request assistance securing their InfoSphere Streams system against the vulnerabilities identified in this Security Bulletin.

Workarounds and Mitigations

None