Cisco Security Advisory
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CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X
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A vulnerability in the support tunnel feature of Cisco Identity Services Engine (ISE) could allow an authenticated, local attacker to access the device's shell.
The vulnerability is due to improper configuration of the support tunnel feature. An attacker could exploit this vulnerability by tricking the device into unlocking the support user account and accessing the tunnel password and device serial number. A successful exploit could allow the attacker to run any system command with root access.
There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-ise
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Vulnerable Products
At the time of publication, this vulnerability affected Cisco Identity Services Engine (ISE) software versions prior to 2.2.0.470. For the latest and most detailed information about affected software releases, consult the Cisco bug ID(s) at the top of this advisory.
To determine which release of the software is currently running on a device, administrators may use the show version command in the device CLI or navigate to the top right corner and click Settings (gear icon) > About Identity Service Engine in the Admin portal. The output of the command in the CLI is similar to the following example:
ServiceEngine115/admin# show version
Cisco Application Deployment Engine OS Release: 2.3
ADE-OS Build Version: 2.3.0.187
ADE-OS System Architecture: x86_64
Copyright (c) 2005-2014 by Cisco Systems, Inc.
All rights reserved.
Hostname: ServiceEngine115
Version information of installed applications
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Cisco Identity Services Engine
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Version : 2.0.0.306
Build Date : Thu Oct 8 13:25:23 2015
Install Date : Tue Nov 17 21:02:22 2015
Cisco Identity Services Engine Patch
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Version : 5
Install Date : Fri Jul 07 01:57:01 2017Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this vulnerability.
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The Cisco Identity Services Engine (ISE) simplifies the delivery of consistent, highly secure access control across wired, wireless, and VPN connections. With far-reaching, intelligent sensor and profiling capabilities, ISE can reach deep into the network to deliver superior visibility into who and what are accessing resources. Through the device profiler feed service, ISE delivers automatic updates of Cisco’s validated device profiles for various IP-enabled devices from multiple vendors, which simplifies the task of keeping an up-to-date library of the newest IP enabled devices.
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There are no workarounds that address this vulnerability.
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For information about fixed software releases, consult the Cisco bug ID(s) at the top of this advisory.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts 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.
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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.
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This vulnerability was reported to Cisco by an anonymous security researcher.
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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.
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Show LessVersion Description Section Status Date 1.1 Updated Cisco bug ID associated to advisory. Document header and metadata Final 2018-April-26 1.0 Initial public release. — Final 2018-April-18
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