-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.3297
 Security Bulletin: IBM Integration Bus is vulnerable to denial of service
                 due to ansi-regex module (CVE-2021-3807)
                                7 July 2022

===========================================================================

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

Product:           IBM Integration Bus
Publisher:         IBM
Operating System:  Linux variants
                   Windows
Resolution:        Mitigation
CVE Names:         CVE-2021-3807  

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6601141

Comment: CVSS (Max):  7.5 CVE-2021-3807 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
         CVSS Source: IBM
         Calculator:  https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

IBM Integration Bus is vulnerable to denial of service due to ansi-regex module
(CVE-2021-3807)

Document Information

Document number    : 6601141
Modified date      : 04 July 2022
Product            : IBM Integration Bus
Component          : -
Software version   : -
Operating system(s): Linux
                     Windows

Summary

IBM Integration Bus is vulnerable to a denial of service, due to the ansi-regex
module for Node.js (CVE-2021-3807). This affects the version of Node.js which
is shipped with IBM Integration Bus for which a mitigation has been
recommended.

Vulnerability Details

CVEID: CVE-2021-3807
DESCRIPTION: Chalk ansi-regex module for Node.js is vulnerable to a denial of
service, caused by a regular expression denial of service (ReDoS) flaw. By
sending a specially-crafted regex input, a remote attacker could exploit this
vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
209596 for the current score.
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

+-------------------------------------+--------------------+
|Affected Product(s)                  |Version(s)          |
+-------------------------------------+--------------------+
|IBM Integration Bus                  |                    |
|                                     |10.0.0.0 - 10.0.0.26|
|(Linux x86-64 and Windows x86-64 only|                    |
+-------------------------------------+--------------------+

Remediation/Fixes

None

Workarounds and Mitigations

IBM strongly recommends addressing the vulnerability/vulnerabilities now by
applying the appropriate action to IBM Integration Bus as outlined below

For IBM Integration Bus v10 v10.0.0.24 -v10.0.0.26 users can disable Node.js.

Refer to
' Disabling Node.js in IBM Integration Bus 10.0.0.24 and subsequent v10.0 fix
packs '

Change History

20 Jun 2022: Initial Publication

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: https://auscert.org.au/gpg-key/
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=SXA8
-----END PGP SIGNATURE-----