Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.0953
Security Bulletin: IBM Resilient vulnerable to username
enumeration (CVE-2020-4635)
18 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Resilient SOAR
Publisher: IBM
Operating System: Red Hat
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4635
Original Bulletin:
https://www.ibm.com/support/pages/node/6431265
- --------------------------BEGIN INCLUDED TEXT--------------------
IBM Resilient vulnerable to username enumeration (CVE-2020-4635)
Document Information
Document number : 6431265
Modified date : 17 March 2021
Product : IBM Resilient
Software version : IBM Resilient SOAR
Operating system(s): Red Hat
Summary
IBM Resilient could disclose sensitive information by allowing a user to
enumerate usernames. An attacker may use this to determine if a user exists or
not.
Vulnerability Details
CVEID: CVE-2020-4635
DESCRIPTION: IBM Resilient could disclose sensitive information by allowing a
user to enumerate usernames.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
185502 for the current score.
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
+-------------------+-----------------+
|Affected Product(s)|Version(s) |
+-------------------+-----------------+
|Resilient OnPrem |IBM Security SOAR|
+-------------------+-----------------+
Remediation/Fixes
Users must upgrade to v40.1 of IBM Resilient in order to obtain a fix for this
vulnerability. This version implements a rate-limiting and fuzzing feature to
defend against such attacks.
You can upgrade the platform by following the instructions in the " Upgrade
Procedure " section in the IBM Knowledge Center.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Complete CVSS v3 Guide
On-line Calculator v3
Off
Acknowledgement
John Zuccato, Rodney Ryan, Chris Shepherd, Nathan Roane, Kamil Sarbinowski,
Vince Dragnea, Troy Fisher and Elaheh Samani from IBM X-Force Ethical Hacking
Team.
Change History
16 Mar 2021: Initial Publication
Document Location
Worldwide
- --------------------------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: http://www.auscert.org.au/render.html?it=1967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=U2Ux
-----END PGP SIGNATURE-----