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AUSCERT External Security Bulletin Redistribution
ESB-2017.0299
Cisco Firepower Management Center Incomplete Rule Set Vulnerability
2 February 2017
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AusCERT Security Bulletin Summary
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Product: Cisco Firepower Management Center
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-3809
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-fmc
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Cisco Security Advisory
Cisco Firepower Management Center Incomplete Rule Set Vulnerability
Medium
Advisory ID:
cisco-sa-20170201-fmc
First Published:
2017 February 1 16:00 GMT
Version 1.0:
Final
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCvb95281
CVE-2017-3809
CWE-20
CVSS Score:
Base 5.8, Temporal 5.8[blue-squar]Click Icon to Copy Verbose Score
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X
CVE-2017-3809
CWE-20
Summary
A vulnerability in the Policy deployment module of the Cisco Firepower
Management Center (FMC) could allow an unauthenticated, remote attacker to
prevent deployment of a complete and accurate rule base.
The vulnerability is due to a lack of condition checks in the rules engine.
An attacker could exploit this vulnerability by spoofing certain Object IDs
of Port objects. An exploit could allow the attacker to push an incomplete
rule set.
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-20170201-fmc
Affected Products
Vulnerable Products
This vulnerability affects Cisco Firepower Management Center.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
vulnerability. For information about affected software releases, consult
the Cisco bug ID(s) at the top of this advisory.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
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.
Exploitation and Public Announcements
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.
Cisco Security Vulnerability Policy
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
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-fmc
Revision History
Version Description Section Status Date
1.0 Initial public release. Final 2017-February-01
Legal Disclaimer
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.
A standalone copy or paraphrase of the text of this document that omits the
distribution URL is an uncontrolled copy and may lack important information
or contain factual errors. The information in this document is intended for
end users of Cisco products.
Cisco Security Vulnerability Policy
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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