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Security Bulletin: Vulnerabilities CVE-2019-5739 and CVE-2019-5737 in Node.js affect IBM i

Security Bulletin


Summary

Node.js is supported by IBM i. IBM i has addressed the CVE-2019-5739 and CVE-2019-5737 CVEs.

Vulnerability Details

CVEID: CVE-2019-5737
DESCRIPTION: Node.js is vulnerable to a denial of service. By establishing an HTTP or HTTPS connection in keep-alive mode and sending headers very slowly to force the connection and associated resources to stay alive for a long period of time, a remote attacker could exploit this vulnerability to consume all available resources.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/158093 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)

CVEID: CVE-2019-5739
DESCRIPTION: Node.js is vulnerable to a denial of service. By establishing an HTTP or HTTPS connection in keep-alive mode forcing the connection to remain open and inactive for up to 2 minutes, a remote attacker could exploit this vulnerability to consume all available resources.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/158096 for the current score
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

Releases 7.1, 7.2 and 7.3 of IBM i are affected.

Remediation/Fixes

Releases 7.1, 7.2 and 7.3 of IBM i are supported and will be fixed.  The issue can be fixed by applying a PTF to IBM i or installing an rpm update based on Node.js version.

Release 7.1, 7.2 & 7.3 support Node.js version 6

The IBM i PTF number is:
SI69165 - 5733OPS Option 10 (Node.js version 6)  [The same number PTF is applicable for all 3 OS releases]

https://www-945.ibm.com/support/fixcentral/

Release 7.2 and 7.3 support Node.js version 8 in rpm format

The recommended way to install these RPM's is to use the IBM i Access Client Solutions product or run ‘/QOpenSys/pkgs/bin/yum install nodejs8 && nodever 8'. For more information about the packages in rpm format, see http://ibm.biz/ibmi-rpms

If deploying alternatively, Node.js version 8 is available via:
ftp://public.dhe.ibm.com/software/ibmi/products/pase/rpms/repo/ppc64/nodejs8-8.15.1-0.ibmi7.2.ppc64.rpm

Release 7.2 and 7.3 support Node.js version 10 in rpm format

The recommended way to install these RPM's is to use the IBM i Access Client Solutions product or run ‘/QOpenSys/pkgs/bin/yum install nodejs10 && nodever 10'. For more information about the packages in rpm format, see http://ibm.biz/ibmi-rpms

If deploying alternatively, Node.js version 10 is available via:
ftp://public.dhe.ibm.com/software/ibmi/products/pase/rpms/repo/ppc64/nodejs10-10.15.3-0.ibmi7.2.ppc64.rpm

Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

19 March 2019: Original version published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.


Cross reference information
Product Component Platform Version Edition
IBM i 7.1 IBM i 7.1
IBM i 7.2 IBM i 7.2
IBM i 7.3 IBM i 7.3

Document information

More support for: IBM i

Software version: 7.1,7.2,7.3

Operating system(s): IBM i

Reference #: 0787619

Modified date: 19 March 2019