Security Bulletin: Version 8.15.0 of Node.js included in IBM Cloud Event Management 2.3.0 has several security vulnerabilities.

Summary

Security Bulletin: Version 8.15.0 of Node.js included in IBM Cloud Event Management 2.3.0 has several security vulnerabilities).

Vulnerability Details

CVE-ID: CVE-2019-9516
Description: Multiple vendors are vulnerable to a denial of service, caused by a 0-Length Headers Leak attack. By sending a stream of headers with a 0-length header name and 0-length header value, a remote attacker could consume excessive memory resources.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/165182&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVE-ID: CVE-2019-9515
Description: Multiple vendors are vulnerable to a denial of service, caused by a Settings Flood attack. By sending a stream of SETTINGS frames to the peer, a remote attacker could consume excessive CPU resources.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/165181&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVE-ID: CVE-2019-9518
Description: Multiple vendors are vulnerable to a denial of service, caused by a Empty Frame Flooding attack. By sending a stream of frames with an empty payload and without the end-of-stream flag, a remote attacker could consume excessive CPU resources.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/164904&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVE-ID: CVE-2019-9517
Description: Multiple vendors are vulnerable to a denial of service, caused by an Internal Data Buffering attack. By opening the HTTP/2 window so the peer can send without constraint and sending a stream of requests for a large response object, a remote attacker could consume excessive CPU resources.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/165183&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVE-ID: CVE-2019-9512
Description: Multiple vendors are vulnerable to a denial of service, caused by a Ping Flood attack. By sending continual pings to an HTTP/2 peer, a remote attacker could consume excessive CPU resources.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/164903&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVE-ID: CVE-2019-9511
Description: Multiple vendors are vulnerable to a denial of service, caused by a Data Dribble attack. By sending a HTTP/2 request by the HTTP/2 protocol stack (HTTP.sys) for an overly large amount of data from a specified resource over multiple streams, a remote attacker could consume excessive CPU resources.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/164638&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVE-ID: CVE-2019-9514
Description: Multiple vendors are vulnerable to a denial of service, caused by a Reset Flood attack. By opening a number of streams and sending an invalid request over each stream, a remote attacker could consume excessive CPU resources.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/164640&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVE-ID: CVE-2019-9513
Description: Multiple vendors are vulnerable to a denial of service, caused by a Resource Loop attack. By creating multiple request streams and continually shuffling the priority of the streams, a remote attacker could consume excessive CPU resources.
CVSS Base Score: 7.5
CVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/164639&gt; for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM Cloud Event Management on IBM Cloud Private Version 2.3.0

Remediation/Fixes

IBM Cloud Event Management on IBM Cloud Private Version 2.4.0 includes the Node.js fix for this vulnerability. Please see IBM Support for IBM Cloud Event Management on IBM Cloud Private: <https://www-01.ibm.com/support/docview.wss?uid=ibm10732317&gt;

Workarounds and Mitigations

None