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AUSCERT External Security Bulletin Redistribution
Cisco ASA-CX and Cisco Prime Security Manager Privilege
4 February 2016
AusCERT Security Bulletin Summary
Product: Cisco ASA-CX
Cisco Prime Security Manager
Publisher: Cisco Systems
Operating System: Cisco
VMware ESX Server
Impact/Access: Administrator Compromise -- Existing Account
CVE Names: CVE-2016-1301
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Cisco ASA-CX and Cisco Prime Security Manager Privilege Escalation
2016 February 3 16:00 GMT
Base - 8.5
No workarounds available
Cisco Bug IDs:
A vulnerability in the role-based access control of Cisco ASA-CX and Cisco
Prime Security Manager (PRSM) could allow an authenticated, remote attacker to
change the password of any user on the system.
The vulnerability exists because the password change request is not fully
qualified. An authenticated attacker with a user role other than Administrator
could exploit this vulnerability by sending a specially crafted HTTP request
to the Cisco PRSM. An exploit could allow the attacker to change the password
of any user on the system, including users with the Administrator role.
Cisco has released software updates that address this vulnerability.
This advisory is available at the following link:
All versions of Cisco ASA-CX Content-Aware Security and Cisco PRSM software
prior to 220.127.116.11(112) are affected by the vulnerability described in this
To determine the running version of Cisco ASA-CX software, issue the show
version command from the Cisco ASA-CX command-line interface, to which an
administrator can obtain access via serial console, an SSH session to the
ASA-CX management interface, or a session opened from the parent ASA using the
The following example shows Cisco ASA-CX software version 18.104.22.168(11) and
Cisco PRSM Version 22.214.171.124(11):
asacx> show version
Cisco ASA CX Platform 126.96.36.199(11)
Cisco Prime Security Manager 188.8.131.52(11) for asacx firewall
Customers using Cisco PRSM to manage Cisco ASA-CX devices can locate the
software version of Cisco ASA-CX in the Device > Devices menu item of the
Cisco Prime Security Manager window.
To determine the running version of Cisco PRSM software, issue the show
version command from the Cisco PRSM command-line interface, which an
administrator can obtain access to via the PRSM VMware console or an SSH
session to the Cisco PRSM management interface.
The following example shows Cisco PRSM software version 9.0.1(40):
prsm> show version
Cisco Prime Security Manager 9.0.1 (40) Multi Device prsm-vm
Customers using HTTPS to access Cisco PRSM can locate the software version of
Cisco PRSM in the Administration > About PRSM menu item of the Cisco Prime
Security Manager window.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
There are no workarounds that address this vulnerability.
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:
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 consult the Cisco
Security Advisories and Responses archive at http://www.cisco.com/go/psirt and
review subsequent advisories to determine exposure and a complete upgrade
In all cases, customers should ensure that the devices to upgrade 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 Technical Assistance Center (TAC):
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.
This vulnerability has been fixed in Cisco ASA-CX Context-Aware Security and
Cisco Prime Security Manager Software versions 184.108.40.206(112) and later.
Cisco ASA-CX Context-Aware Security Software can be downloaded at the
Cisco Prime Security Manager Software can be downloaded at the following link:
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.
This vulnerability was discovered by Karn Ganeshen of Cisco Systems when
performing independent security testing.
Version Description Section Status Date
1.0 Initial public release. - Final 2016-February-03
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.
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