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AUSCERT External Security Bulletin Redistribution
ESB-2015.2120
Cisco FireSIGHT Management Center System Policy Deletion Vulnerability
14 August 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco FireSIGHT System Software
Publisher: Cisco Systems
Operating System: Cisco
VMware ESX Server
Impact/Access: Modify Permissions -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Mitigation
CVE Names: CVE-2015-4302
Original Bulletin:
http://tools.cisco.com/security/center/viewAlert.x?alertId=40432
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Vulnerability Alert
Cisco FireSIGHT Management Center System Policy Deletion Vulnerability
Threat Type: CWE-20: Input Validation
IntelliShield ID: 40432
Version: 1
First Published: 2015 August 13 17:38 GMT
Last Published: 2015 August 13 17:38 GMT
Port: Not available
CVE: CVE-2015-4302
Urgency: Unlikely Use
Credibility: Confirmed
Severity: Mild Damage
CVSS Base: 5.8
CVSS Version 2.0
CVSS Temporal: 5.5
Version Summary: Cisco FireSIGHT Management Center contains a vulnerability
that could allow unauthenticated, remote attackers to delete a system policy
other than their own on a targeted system. Updates are unavailable.
Description
A vulnerability in the web interface function to delete a system policy
configured in the Cisco FireSIGHT Management Center application could allow
unauthenticated, remote attackers to delete a system policy other than their
own.
The vulnerability is due to improper input validation of certain fields of the
HTTP POST request. An attacker could exploit this vulnerability by sending a
crafted HTTP POST request with parameters of another system policy that the
attacker is not authorized to delete. An exploit could allow the attacker to
compromise the integrity of the application by the unexpected removal of a
system policy. Availability may also be affected.
Cisco has confirmed the vulnerability; however, updates are unavailable.
Warning Indicators
At the time this alert was first published, Cisco FireSIGHT Management Center
Release 5.3.1.4 was vulnerable. Later releases may also be vulnerable.
IntelliShield Analysis
To exploit this vulnerability, an attacker requires authenticated access to
the targeted system. Authenticated access may require the attacker to access
trusted, internal networks. These requirements could limit the likelihood of a
successful exploit.
Vendor Announcements
Cisco has released bug ID CSCuu25390 for registered users, which contains
additional details and an up-to-date list of affected product versions.
Impact
An unauthenticated, remote attacker could exploit this vulnerability to
compromise the integrity of the application by the unexpected removal of a
system policy. Availability may also be affected.
Technical Information
Additional technical information is unavailable.
Safeguards
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to access local
systems.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to allow only privileged users to access
administration or management systems.
Administrators may consider using IP-based access control lists (ACLs) to
allow only trusted systems to access the affected systems.
Administrators are advised to monitor affected systems.
Patches/Software
Software updates are unavailable.
Alert History
Initial Release
Product Sets
The security vulnerability applies to the following combinations of products.
Primary Products:
Cisco Cisco FireSIGHT System Software 5.3 .1.4
Associated Products:
N/A
LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual
users; users may value alerts differently based upon their network
configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED
THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF
GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED
THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION
IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE
TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES
THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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