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             AUSCERT External Security Bulletin Redistribution

                              ESB-2021.3883.2
         Security Bulletin: Vulnerabilities in Node.js affect IBM
                   Integration Bus v10 (CVE-2021-32803)
                             25 November 2021

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

Product:           IBM Integration Bus
Publisher:         IBM
Operating System:  Linux variants
                   Windows
Impact/Access:     Overwrite Arbitrary Files -- Existing Account
                   Create Arbitrary Files    -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-32803  

Reference:         ESB-2021.3878
                   ESB-2021.3876
                   ESB-2021.3231
                   ESB-2021.3190

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6516066

Revision History:  November 25 2021: Updated Resolution
                   November 15 2021: Initial Release

- --------------------------BEGIN INCLUDED TEXT--------------------

Vulnerabilities in Node.js affect IBM  Integration Bus v10 (CVE-2021-32803)

Document Information

Document number    : 6516066
Modified date      : 24 November 2021
Product            : IBM Integration Bus
Component          : -
Software version   : -
Operating system(s): Linux
                     Windows

Summary

IBM Integration Bus ships with Node.js for which vulnerabilities were reported
and have been addressed. Vulnerability details are listed below.

Vulnerability Details

CVEID: CVE-2021-32803
DESCRIPTION: Node.js tar module could allow a local attacker to traverse
directories on the system, caused by insufficient symlink protection. An
attacker could use a specially-crafted tar file containing "dot dot" sequences
(/../) to create or overwrite arbitrary files on the system.
CVSS Base score: 8.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
206717 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N)

Affected Products and Versions

IBM Integration Bus V10 , V10.0.0.0 - V10.0.0.24 ( Linux on Intel x86-64 and
Windows 64-bit only)

Remediation/Fixes

+--------------+--------------------+----------+-----------------------------+
|   Product    |        VRMF        |APAR      |      Remediation / Fix      |
+--------------+--------------------+----------+-----------------------------+
|IBM           |                    |          |Interim fix for APAR (       |
|Integration   |V10.0.0.0-V10.0.0.24|IT38593   |IT38593 ) is available from  |
|Bus           |                    |          |                             |
|              |                    |          |IBM Fix Central              |
+--------------+--------------------+----------+-----------------------------+

Workarounds and Mitigations

None

Acknowledgement

Change History

11 Nov 2021: Initial Publication

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