Security Bulletin: Multiple vulnerabilities in netty affect IBM Operations Analytics Predictive Insights (CVE-2019-20445, CVE-2019-20444)

Summary

Netty is used by IBM Operations Analytics Predictive Insights. IBM Operations Analytics Predictive Insights has addressed the applicable CVE. Note that the usage of Netty within IBM Operations Analytics Predictive Insights is limited to the REST Mediation utility. If you do not use that utility then you are not affected by this bulletin.

Vulnerability Details

CVEID:CVE-2019-20445
**DESCRIPTION:**Netty could provide weaker than expected security, caused by non-proper handling of Content-Length and Transfer-Encoding in the HttpObjectDecoder.java. A remote attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175486 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2019-20444
**DESCRIPTION:**Netty is vulnerable to HTTP request smuggling, caused by a flaw in the HttpObjectDecoder.java. By sending a specially-crafted request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175487 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

Apply 1.3.6 Interim Fix 2 or later
https://www-945.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/Tivoli/IBM+SmartCloud+Analytics±+Predictive+Insights&release=1.3.6

Workarounds and Mitigations

None