Malware Devil: ESB-2021.1913 – [Win][UNIX/Linux] McAfee Database Security (DBSec): Multiple vulnerabilities

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AUSCERT External Security Bulletin Redistribution

ESB-2021.1913
Security Bulletin – Database Security update fixes five vulnerabilities
3 June 2021

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AusCERT Security Bulletin Summary
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Product: McAfee Database Security (DBSec)
Publisher: McAfee
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Administrator Compromise — Remote/Unauthenticated
Access Privileged Data — Existing Account
Cross-site Scripting — Existing Account
Reduced Security — Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-23898 CVE-2021-23897 CVE-2021-23896
CVE-2021-23895 CVE-2021-23894

Original Bulletin:
https://kc.mcafee.com/corporate/index?page=content&id=SB10359

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McAfee Security Bulletin – Database Security update fixes five vulnerabilities
(CVE-2021-23894, CVE-2021-23895, CVE-2021-23896, CVE-2021-23897,
CVE-2021-23898)

Security Bulletins ID : SB10359

Last Modified : 6/1/2021

Summary

To receive email notification when this Security Bulletin is updated, click
Subscribe on the right side of the page. You must be logged on to subscribe.

Article contents:

o Vulnerability Description
o Remediation
o Frequently Asked Questions (FAQs)
o Resources
o Disclaimer

Vulnerability Description
DBSec is designed to be installed on a private network. As such all
administrative, and server to database, connections are within a secured
network.

1. CVE-2021-23894 – DBSec-12494
Deserialization of untrusted data vulnerability in McAfee Database Security
(DBSec) prior to 4.8.2 allows a remote unauthenticated attacker to create a
reverse shell with administrator privileges on the DBSec server via
carefully constructed Java serialized object sent to the DBSec server.
https://web.nvd.nist.gov/view/vuln/detailvulnId=CVE-2021-23894
https://cve.mitre.org/cgi-bin/cvename.cginame=CVE-2021-23894
2. CVE-2021-23895 – DBSec-12496
Deserialization of untrusted data vulnerability in McAfee Database Security
(DBSec) prior to 4.8.2 allows a remote authenticated attacker to create a
reverse shell with administrator privileges on the DBSec server via
carefully constructed Java serialized object sent to the DBSec server.
https://web.nvd.nist.gov/view/vuln/detailvulnId=CVE-2021-23895
https://cve.mitre.org/cgi-bin/cvename.cginame=CVE-2021-23895
3. CVE-2021-23896 – DBSec-12503
Cleartext Transmission of Sensitive Information vulnerability in the
administrator interface of McAfee Database Security (DBSec) prior to 4.8.2
allows an administrator to view the unencrypted password of the McAfee
Insights Server used to pass data to the Insights Server. This user is
restricted to only have access to DBSec data in the Insights Server.
https://web.nvd.nist.gov/view/vuln/detailvulnId=CVE-2021-23896
https://cve.mitre.org/cgi-bin/cvename.cginame=CVE-2021-23896
4. CVE-2021-23897 – DBSec-12497
Improper Neutralization of Input During Web Page Generation (‘Cross-site
Scripting’) vulnerability in McAfee Database Security (DBSec) prior to
4.8.2 allows an administrator to embed JavaScript code when configuring the
name of a database to be monitored. This would be triggered when any
authorized user logs into the DBSec interface and opens the properties
configuration page for this database.
https://web.nvd.nist.gov/view/vuln/detailvulnId=CVE-2021-23897
https://cve.mitre.org/cgi-bin/cvename.cginame=CVE-2021-23897
5. CVE-2021-23898 – DBSec-12502
Incorrect access to deleted scripts vulnerability in McAfee Database
Security (DBSec) prior to 4.8.2 allows a remote authenticated attacker to
gain access to signed SQL scripts which have been marked as deleted or
expired within the administrative console. This access was only available
through the REST API.
The scripts are retained to allow them to be used when analyzing older
events should they be required in the future. The impact has been judged to
be low as it is expected that the scripts are created in good faith.
https://web.nvd.nist.gov/view/vuln/detailvulnId=CVE-2021-23898
https://cve.mitre.org/cgi-bin/cvename.cginame=CVE-2021-23898

Remediation
To remediate this issue, customers should update to DBSec 4.8.2.

Download and Installation Instructions
For instructions to download McAfee product updates and hotfixes, see: KB56057
– – How to download Enterprise product updates and documentation . Review the
Release Notes and the Installation Guide for instructions on how to install
these updates. All documentation is available at https://docs.mcafee.com .
Frequently Asked Questions (FAQs)
How do I know if my McAfee product is vulnerable or not
For endpoint products:
Use the following instructions for endpoint or client-based products:

1. Right-click the McAfee tray shield icon on the Windows taskbar.
2. Select Open Console .
3. In the console, select Action Menu .
4. In the Action Menu, select Product Details . The product version displays.

What is CVSS
CVSS, or Common Vulnerability Scoring System, is the result of the National
Infrastructure Advisory Council’s effort to standardize a system of assessing
the criticality of a vulnerability. This system offers an unbiased criticality
score between 0 and 10 that customers can use to judge how critical a
vulnerability is and plan accordingly. For more information, visit the CVSS
website at: https://www.first.org/cvss/ .

When calculating CVSS scores, McAfee has adopted a philosophy that fosters
consistency and repeatability. Our guiding principle for CVSS scoring is to
score the exploit under consideration by itself. We consider only the immediate
and direct impact of the exploit under consideration. We do not factor into a
score any potential follow-on exploits that might be made possible by the
successful exploitation of the issue being scored.

What are the CVSS scoring metrics

NOTE: The below CVSS version 3.1 vector was used to generate this score.
https://nvd.nist.gov/vuln-metrics/cvss/v3-calculatorvector=AV:A/AC:L/PR:L/
UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C&version=3.1

Where can I find a list of all Security Bulletins
All Security Bulletins are published on our external PSIRT website at https://
www.mcafee.com/us/threat-center/product-security-bulletins.aspx . To see
Security Bulletins for McAfee Enterprise products on this website click
Enterprise Security Bulletins . Security Bulletins are retired (removed) once a
product is both End of Sale and End of Support (End of Life).

How do I report a product vulnerability to McAfee
If you have information about a security issue or vulnerability with a McAfee
product, visit the McAfee PSIRT website for instructions at https://
www.mcafee.com/us/threat-center/product-security-bulletins.aspx . To report an
issue, click Report a Security Vulnerability .

How does McAfee respond to this and any other reported security flaws
Our key priority is the security of our customers. If a vulnerability is found
within any McAfee software or services, we work closely with the relevant
security software development team to ensure the rapid and effective
development of a fix and communication plan.

McAfee only publishes Security Bulletins if they include something actionable
such as a workaround, mitigation, version update, or hotfix. Otherwise, we
would simply be informing the hacker community that our products are a target,
putting our customers at greater risk. For products that are updated
automatically, a non-actionable Security Bulletin might be published to
acknowledge the discoverer.

View our PSIRT policy on the McAfee PSIRT website at https://www.mcafee.com/us/
threat-center/product-security-bulletins.aspx by clicking About PSIRT .
Resources
To contact Technical Support, log on to the ServicePortal and go to the Create
a Service Request page at https://support.mcafee.com/ServicePortal/faces/
serviceRequests/createSR :

o If you are a registered user, type your User ID and Password, and then
click Log In .
o If you are not a registered user, click Register and complete the required
fields. Your password and logon instructions will be emailed to you.

Disclaimer
The information provided in this Security Bulletin is provided as is without
warranty of any kind. McAfee disclaims all warranties, either express or
implied, including the warranties of merchantability and fitness for a
particular purpose. In no event shall McAfee or its suppliers be liable for any
damages whatsoever including direct, indirect, incidental, consequential, loss
of business profits or special damages, even if McAfee or its suppliers have
been advised of the possibility of such damages. Some states do not allow the
exclusion or limitation of liability for consequential or incidental damages so
the preceding limitation may not apply.

Any future product release dates mentioned in this Security Bulletin are
intended to outline our general product direction, and they should not be
relied on in making a purchasing decision. The product release dates are for
information purposes only, and may not be incorporated into any contract. The
product release dates are not a commitment, promise, or legal obligation to
deliver any material, code, or functionality. The development, release, and
timing of any features or functionality described for our products remains at
our sole discretion and may be changed or canceled at any time

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You have received this e-mail bulletin as a result of your organisation’s
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you do not know who that is, please send an email to auscert@auscert.org.au
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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/

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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.
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ESB-2021.1913 – [Win][UNIX/Linux] McAfee Database Security (DBSec): Multiple vulnerabilities

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