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             AUSCERT External Security Bulletin Redistribution

      IBM Tivoli Network Manager IP Edition Java SDK vulnerabilities
                               19 July 2019


        AusCERT Security Bulletin Summary

Product:           Tivoli Network Manager IP Edition
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Increased Privileges     -- Existing Account      
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1890 CVE-2019-2426 

Reference:         ESB-2019.2614

Original Bulletin: 

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Multiple vulnerabilities in current releases of the IBM SDK, Java Technology
Edition affect IBM Tivoli Network Manager IP Edition (CVE-2018-1890,

Product:             Tivoli Network Manager IP Edition
Software version:    4.1.1, 4.2
Operating system(s): AIX, Linux
Reference #:         0958055

Security Bulletin


There are multiple vulnerabilities in IBM SDK Java Technology Edition, Version
8, which is used by IBM Tivoli Network Manager IP Edition v4.1.1 and v4.2,
which were disclosed in the Oracle January 2019 Critical Patch Update.

Vulnerability Details

CVEID: CVE-2018-1890
DESCRIPTION: IBM SDK, Java Technology Edition Version 8 on the AIX platform
uses absolute RPATHs which may facilitate code injection and privilege
elevation by local users.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152081 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L)

CVEID: CVE-2019-2426
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE Networking component could allow an unauthenticated attacker to obtain
sensitive information resulting in a low confidentiality impact using unknown
attack vectors.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
155744 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM Tivoli Network Manager IP Edition v4.1.1, v4.2


To update the Java Runtime Environment (JRE), complete the following steps.

1. Locate the appropriate IBM JRE for your operating system on the IBM Fix
Central website.

  o AIX: https://www-945.ibm.com/support/fixcentral/swg/doSelectFixes
  o Linux: https://www-945.ibm.com/support/fixcentral/swg/doSelectFixes
  o zLinux: https://www-945.ibm.com/support/fixcentral/swg/doSelectFixes

2. Download version and install it.
3. Back up the directory $NCHOME/precision/jre.
4. Stop all running processes of the Network Manager Core Components and Apache
Storm by using the itnm_stop command.
5. Delete the contents of the $NCHOME/precision/jre/bin and $NCHOME/precision/
jre/lib directory.
6. Copy the contents of the bin and lib directories from the JRE that you
installed in step 2 to $NCHOME/precision/jre/bin and $NCHOME/precision/jre/lib,
7. Restart the Network Manager Core Components and Apache Storm by using the
itnm_start command.

To upgrade or rollback the Network Manager Core Components, restore the backup
that you made in step 3. Perform the upgrade or rollback, then perform steps 4
to 7 again.

Workarounds and Mitigations


Change History

8 July 2019 - Initial version published.

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