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AUSCERT External Security Bulletin Redistribution
ESB-2022.2271
ICS Advisory (ICSA-22-130-01) Adminer in Industrial Products
11 May 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Adminer in Industrial Products
Publisher: ICS-CERT
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2021-43008
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-22-130-01
Comment: CVSS (Max): 7.5 CVE-2021-43008 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
CVSS Source: ICS-CERT
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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ICS Advisory (ICSA-22-130-01)
Adminer in Industrial Products
Original release date: May 10, 2022
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are provided
"as is" for informational purposes only. The Department of Homeland Security
(DHS) does not provide any warranties of any kind regarding any information
contained within. DHS does not endorse any commercial product or service,
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For more
information about TLP, see https://us-cert.cisa.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 7.5
o ATTENTION: Exploitable remotely/low attack complexity/public exploits are
available
o Vendor: Adminer
o Equipment: Adminer
o Vulnerability: Files or Directories Accessible to External Parties
2. RISK EVALUATION
Successful exploitation of this vulnerability could allow reading of database
credentials and loss of sensitive information.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of Adminer, a database management tool, are affected:
o Adminer: Versions 1.112.0 to 4.6.2
3.2 VULNERABILITY OVERVIEW
3.2.1 FILES AND DIRECTORIES ACCESSIBLE TO EXTERNAL PARTIES CWE-552
The affected product is vulnerable to a MySQL database issue that allows an
attacker to read database files. This may allow an attacker to read database
credentials and steal data.
CVE-2021-43008 has been assigned to this vulnerability. A CVSS v3 base score of
7.5 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/
C:H/I:N/A:N ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Multiple Sectors
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Czech Republic
3.4 RESEARCHER
Mosin from ELEX FEIGONG RESEARCH INSTITUTE of Elex CyberSecurity, Inc.,
reported this vulnerability to CISA.
4. MITIGATIONS
Adminer has fixed this vulnerability and recommends users upgrade to Version
4.6.3 or later .
See the following links for more information and mitigations on ICS devices
that use Adminer:
o Advantech R-SeeNet (Windows Installation of R-SeeNet is only affected,
upgrade to Version 2.4.19 or later)
CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability. Specifically, users should:
o Minimize network exposure for all control system devices and/or systems,
and ensure they are not accessible from the Internet .
o Locate control system networks and remote devices behind firewalls and
isolate them from the business network.
o When remote access is required, use secure methods, such as Virtual Private
Networks (VPNs), recognizing VPNs may have vulnerabilities and should be
updated to the most current version available. Also recognize VPN is only
as secure as its connected devices.
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices
on the ICS webpage on cisa.gov Several recommended practices are available for
reading and download, including Improving Industrial Control Systems
Cybersecurity with Defense-in-Depth Strategies .
Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage on cisa.gov in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
CISA continuously strives to improve its products and services. You can help by
choosing one of the links below to provide feedback about this product.
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