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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0489
         Multiple vulnerabilities were identified in Node.js that
                   affect IBM Cloud App Management V2018
                             18 February 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Cloud App Management V2018
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Denial of Service      -- Remote/Unauthenticated
                   Access Privileged Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-12115 CVE-2018-7166 CVE-2018-0737
                   CVE-2018-0732  

Reference:         ASB-2019.0041
                   ASB-2019.0031
                   ASB-2019.0020
                   ESB-2019.0473
                   ESB-2019.0257
                   ESB-2018.3936
                   ESB-2018.3904

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10735003

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Security Bulletin: Multiple vulnerabilities were identified in Node.js that
affect IBM Cloud App Management V2018

IBM; Cloud; App; Management; Security; Bulletin; Vulnerability; Node.js

Document information

More support for: IBM Cloud App Management

Software version: V2018.2

Operating system(s): Linux

Reference #: 0735003

Modified date: 15 February 2019

Summary

Multiple vulnerabilities were identified in Node.js that affected IBM Cloud
App Management V2018. The product was updated to use a later version of
Node.js to address these security vulnerabilities.

Vulnerability Details

CVEID:  CVE-2018-0732
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by the
sending of a very large prime value to the client by a malicious server during
key agreement in a TLS handshake. By spending an unreasonably long period of
time generating a key for this prime, a remote attacker could exploit this
vulnerability to cause the client to hang.
CVSS Base Score: 3.7
CVSS Temporal Score: See  https://exchange.xforce.ibmcloud.com/vulnerabilities
/144658  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:L)

CVEID:  CVE-2018-12115
DESCRIPTION: Node.js is vulnerable to a denial of service, caused by an
out-of-bounds write in Buffer. An attacker could exploit this vulnerability to
write to memory outside of a Buffer''s memory space, corrupt Buffer objects or
cause the process to crash.
CVSS Base Score: 8.2
CVSS Temporal Score: See  https://exchange.xforce.ibmcloud.com/vulnerabilities
/148426  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:L/A:H)

CVEID:  CVE-2018-7166
DESCRIPTION: Node.js could allow a remote attacker to obtain sensitive
information, caused by the return of uninitialized memory by the Buffer.alloc
() function. By sending a specially crafted argument, an attacker could
exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 7.5
CVSS Temporal Score: See  https://exchange.xforce.ibmcloud.com/vulnerabilities
/148425  for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:  CVE-2018-0737
DESCRIPTION: OpenSSL could allow a local attacker to obtain sensitive
information, caused by a cache-timing side channel attack in the RSA Key
generation algorithm. An attacker with access to mount cache timing attacks
during the RSA key generation process could exploit this vulnerability to
recover the private key and obtain sensitive information.
CVSS Base Score: 3.3
CVSS Temporal Score: See  https://exchange.xforce.ibmcloud.com/vulnerabilities
/141679  for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM Cloud App Management V2018.2

Remediation/Fixes

IBM Cloud App Management V2018 was updated to use a later version of Node.js.
Install IBM Cloud App Management V2018.4 or later to address these security
vulnerabilities. IBM Cloud App Management is available on  IBM Passport
Advantage .

Workarounds and Mitigations

None

Change History

5 November 2018: 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.

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