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AUSCERT External Security Bulletin Redistribution
ESB-2020.3480
Cisco Industrial Network Director Denial of Service Vulnerability
8 October 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Industrial Network Director
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-3567
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ind-dos-BwG634zn
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Cisco Industrial Network Director Denial of Service Vulnerability
Priority: Medium
Advisory ID: cisco-sa-ind-dos-BwG634zn
First Published: 2020 October 7 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds availableCisco Bug IDs: CSCvu39803
CVE-2020-3567
CWE-20
Summary
o A vulnerability in the management REST API of Cisco Industrial Network
Director (IND) could allow an authenticated, remote attacker to cause the
CPU utilization to increase to 100 percent, resulting in a denial of
service (DoS) condition on an affected device.
The vulnerability is due to insufficient validation of requests sent to the
REST API. An attacker could exploit this vulnerability by sending a crafted
request to the REST API. A successful exploit could allow the attacker to
cause a permanent DoS condition that is due to high CPU utilization. Manual
intervention may be required to recover the Cisco IND.
Cisco has released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
cisco-sa-ind-dos-BwG634zn
Affected Products
o Vulnerable Products
At the time of publication, this vulnerability affected Cisco IND releases
earlier than Release 1.9.0.
See the Details section in the bug ID(s) at the top of this advisory for
the most complete and current information.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o When considering software upgrades , customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories page , to determine exposure and a complete
upgrade solution.
In all cases, customers should ensure that the devices to be upgraded
contain sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release.
If the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance
providers.
Fixed Releases
At the time of publication, Cisco IND releases 1.9.0 and later contained
the fix for this vulnerability.
For information about fixed software releases, see the Details section in
the bug ID(s) at the top of this advisory.
Exploitation and Public Announcements
o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
any public announcements or malicious use of the vulnerability that is
described in this advisory.
Source
o This vulnerability was found during internal security testing.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
cisco-sa-ind-dos-BwG634zn
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2020-OCT-07 |
+----------+---------------------------+----------+--------+--------------+
- --------------------------END INCLUDED TEXT--------------------
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