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AUSCERT External Security Bulletin Redistribution
ESB-2016.1890
Multiple vulnerabilities have been identified in Cisco
RV110W, RV130W, and RV215W Routers
4 August 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco RV110W, RV130W, and RV215W Routers
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2015-6397 CVE-2015-6396
Original Bulletin:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160803-rv110_130w1
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160803-rv110_130w2
Comment: This bulletin contains two (2) Cisco Systems security advisories.
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Cisco Security Advisory
Cisco RV110W, RV130W, and RV215W Routers Command Shell Injection Vulnerability
Medium
Advisory ID:
cisco-sa-20160803-rv110_130w1
Published:
2016 August 3 16:00 GMT
Version 1.0:
Final
CVSS Score:
Base - 6.6
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCuv90134
CSCux58161
CSCux73567
CVE-2015-6396
CWE-78
Summary
A vulnerability in the command-line interface (CLI) command parser of the
Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N Multifunction
VPN Router, and Cisco RV215W Wireless-N VPN Router could allow an
authenticated, local attacker to inject arbitrary shell commands that are
executed by the device. The commands are executed with full administrator
privileges.
The vulnerability is due to insufficient input validation of user-controlled
input parameters entered at the CLI. An attacker could exploit this
vulnerability by authenticating to the device and submitting crafted input
parameters to certain commands. A successful exploit could allow an
authenticated attacker to execute arbitrary shell commands or scripts on the
affected device.
Cisco has released software updates that address this vulnerability.
Workarounds that mitigate this vulnerability are not available.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160803-rv110_130w1
Affected Products
Vulnerable Products
The following Cisco products are affected by this vulnerability for all
firmware versions until the first fixed version.
RV110W Wireless-N VPN Firewall
RV130W Wireless-N Multifunction VPN Router
RV215W Wireless-N VPN Router
The web-based management interface is available for these devices via a local
LAN connection or the remote management feature. By default, the remote
management feature is disabled for the affected devices.
To determine whether the remote management feature is enabled for a device,
open the web-based management interface for the device and then choose Basic
Settings > Remote Management. If the Enable check box is checked, remote
management is enabled for the device.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
vulnerability.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
Cisco provides information about fixed software in Cisco bugs, which are
accessible through the Cisco Bug Search Tool.
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
solution.
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.
Fixed Releases
This vulnerability is fixed in the following firmware versions.
RV110W Wireless-N VPN Firewall, Release 1.2.1.7
RV130W Wireless-N Multifunction VPN Router, Release 1.0.3.16
RV215W Wireless-N VPN Router, Release 1.3.0.8
The firmware updates can be downloaded from the Software Center on Cisco.com
by navigating to Products > Routers > Small Business Routers > Small Business
RV Series Routers.
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.
Source
Cisco would like to thank external security researcher Adam Zielinski for
discovering and reporting this vulnerability.
URL
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160803-rv110_130w1
Revision History
Version Description Section Status Date
1.0 Initial public release. - Final 2016-August-03
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 Advisory
Cisco RV110W, RV130W, and RV215W Routers Static Credential Vulnerability
Critical
Advisory ID:
cisco-sa-20160803-rv110_130w2
Published:
2016 August 3 16:00 GMT
Version 1.0:
Final
CVSS Score:
Base - 9.0
Workarounds:
No workarounds available
Cisco Bug IDs:
CSCuv90139
CSCux58175
CSCux73557
CVE-2015-6397
CWE-287
Summary
A vulnerability in the default account when used with a specific configuration
of the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N
Multifunction VPN Router, and the Cisco RV215W Wireless-N VPN Router could
allow an authenticated, remote attacker to gain root access to the device. The
account could incorrectly be granted root privileges at authentication time.
The vulnerability is due to improper role-based access control (RBAC) of the
default account. The default account should never be allowed root privileges
and should, in all cases, be read-only. An attacker could exploit this
vulnerability by logging into the targeted device using the default account.
An exploit could allow the attacker to authenticate to the device using the
default account and be assigned root privileges.
Cisco has released software updates that address this vulnerability.
Workarounds that mitigate this vulnerability are not available.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160803-rv110_130w2
Affected Products
Vulnerable Products
The following Cisco products are affected by this vulnerability for all
firmware versions until the first fixed version.
RV110W Wireless-N VPN Firewall
RV130W Wireless-N Multifunction VPN Router
RV215W Wireless-N VPN Router
The web-based management interface is available for these devices via a local
LAN connection or the remote management feature. By default, the remote
management feature is disabled for the affected devices.
To determine whether the remote management feature is enabled for a device,
open the web-based management interface for the device and then choose Basic
Settings > Remote Management. If the Enable check box is checked, remote
management is enabled for the device.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
vulnerability.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
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:
http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.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 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
solution.
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):
http://www.cisco.com/en/US/support/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
This vulnerability is fixed in the following firmware versions.
RV110W Wireless-N VPN Firewall, Release 1.2.1.7
RV130W Wireless-N Multifunction VPN Router, Release 1.0.3.16
RV215W Wireless-N VPN Router, Release 1.3.0.8
The firmware updates can be downloaded from the Software Center on Cisco.com
by navigating to Products > Routers > Small Business Routers > Small Business
RV Series Routers.
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.
Source
Cisco would like to thank external security researcher Adam Zielinski for
discovering and reporting this vulnerability.
URL
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160803-rv110_130w2
Revision History
Version Description Section Status Date
1.0 Initial public release. - Final 2016-August-03
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.
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