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AUSCERT External Security Bulletin Redistribution
ESB-2018.2650
Cisco Integrated Management Controller Command Injection Vulnerability
6 September 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco Integrated Management Controller
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-0431 CVE-2018-0430
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180905-cimc-injection
- --------------------------BEGIN INCLUDED TEXT--------------------
Cisco Security Advisory
Cisco Integrated Management Controller Command Injection Vulnerability
Priority: High
Advisory ID: cisco-sa-20180905-cimc-injection
First Published: 2018 September 5 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvi34410
CSCvi45098
CSCvi46942
CVE-2018-0430
CVE-2018-0431
CWE-77
CVSS Score: Base 8.8
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X
Summary
o A vulnerability in the web-based management interface of Cisco Integrated
Management Controller (IMC) Software could allow an authenticated, remote
attacker to inject and execute arbitrary commands with root privileges on
an affected device.
The vulnerability is due to insufficient validation of command input by the
affected software. An attacker could exploit this vulnerability by sending
crafted commands to the web-based management interface of the affected
software. A successful exploit could allow the attacker to inject and
execute arbitrary, system-level commands with root privileges on an
affected device.
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-20180905-cimc-injection
Affected Products
o Vulnerable Products
This vulnerability affects the following Cisco products:
- UCS C-Series Servers that are running Cisco IMC Software Release 2.0,
Release 3.0 prior to Release 3.0(4d), or Release 3.1 prior to Release
3.1(3a)
- UCS E-Series Servers that are running a Cisco IMC Software release
prior to Release 3.2(6)
- 5000 Series Enterprise Network Compute System (ENCS) Platforms that are
running a Cisco IMC Software release prior to Release 3.2(6)
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Cisco has confirmed that this vulnerability does not affect Cisco IMC
Software for Cisco UCS B-Series Servers.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o Cisco has released free software updates that address the vulnerability
described in this advisory. Customers may only install and expect support
for software versions and feature sets for which they have purchased a
license. By installing, downloading, accessing, or otherwise using such
software upgrades, customers agree to follow the terms of the Cisco
software license:
https://www.cisco.com/c/en/us/products/end-user-license-agreement.html
Additionally, customers may only download software for which they have a
valid license, procured from Cisco directly, or through a Cisco authorized
reseller or partner. In most cases this will be a maintenance upgrade to
software that was previously purchased. Free security software updates do
not entitle customers to a new software license, additional software
feature sets, or major revision upgrades.
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.
Customers Without Service Contracts
Customers who purchase directly from Cisco but do not hold a Cisco service
contract and customers who make purchases through third-party vendors but
are unsuccessful in obtaining fixed software through their point of sale
should obtain upgrades by contacting the Cisco TAC:
https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html
Customers should have the product serial number available and be prepared
to provide the URL of this advisory as evidence of entitlement to a free
upgrade.
Fixed Releases
Cisco recommends upgrading to the latest software release as indicated in
the following sections.
UCS C-Series Servers
For Cisco UCS C-Series Servers, customers are advised to upgrade to an
appropriate release as indicated in the following table:
Cisco IMC Software Release First Fixed Release
1.4 Not vulnerable
1.5 Not vulnerable
2.0 Migrate to 3.0(4d)
3.0 3.0(4d)
3.1 3.1(3a)
4.0 Not vulnerable
Customers can download Cisco IMC Software from the Software Center on Cisco.com
by doing the following:
1. Click Browse all
2. Navigate to Servers - Unified Computing > UCS C-Series Rack-Mount
Standalone Server Software
3. In the right pane, choose the appropriate Cisco UCS C-Series platform
4. On the Select a Software Type page, click Unified Computing System
(UCS) Server Firmware
5. Access releases by using the left pane of the page
UCS E-Series Servers
Cisco fixed this vulnerability in Cisco IMC Software Release 3.2(6) for
Cisco UCS E-Series Servers.
Customers can download the software from the Software Center on Cisco.com
by doing the following:
1. Click Browse all
2. Navigate to Servers - Unified Computing > UCS E-Series Software
3. In the right pane, choose the appropriate Cisco UCS E-Series platform
4. On the Select a Software Type page, click Unified Computing System
(UCS) Server Firmware
5. Access releases by using the left pane of the page
5000 Series Enterprise Network Compute System Platforms
Cisco fixed this vulnerability in Cisco IMC Software Release 3.2(6) for
Cisco 5000 Series Enterprise Network Compute System (ENCS) Platforms.
Customers can download the software from the Software Center on Cisco.com
by doing the following:
1. Click Browse all
2. Navigate to Routers > Network Functions Virtualization > 5000 Series
Enterprise Network Compute System
3. In the right pane, choose the appropriate ENCS platform
4. On the Select a Software Type page, click ENCS Software
5. Access releases by using the left pane of the page
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-20180905-cimc-injection
Revision History
o
+---------+--------------------------+---------+--------+--------------------+
| Version | Description | Section | Status | Date |
+---------+--------------------------+---------+--------+--------------------+
| 1.0 | Initial public release. | -- | Final | 2018-September-05 |
+---------+--------------------------+---------+--------+--------------------+
Legal Disclaimer
o THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND
OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT
OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES
THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
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