Cisco RVS4000 4-port Gigabit Security Routers and Cisco WRVS4400N Wireless-N Gigabit Security Routers have several web interface vulnerabilities that can be exploited by a remote, unauthenticated user. Cisco has released software updates that address these vulnerabilities. Workarounds that mitigate these vulnerabilities are available. This advisory is posted at http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20110525-rvs4000.
These vulnerabilities affect the following devices running firmware prior to the first fixed release documented in the Software Versions and Fixes section of this advisory:
To check the version of system firmware that is running on the device, log into the device with the web management interface, and navigate to the screen: Setup --> Summary. Under System Information is a field labeled Firmware Version:. The number directly beside this field label is the system firmware version. An example would be V1.3.0.3.
The Cisco RVS4000 and WRVS4400N Gigabit Security Routers deliver high-speed network access and IPsec VPN capabilities for small businesses. They also provides firewall and intrusion prevention capabilities.
The Cisco RVS4000 and WRVS4400N Gigabit Security Routers contain three web management interface vulnerabilities:
These vulnerabilities are documented in Cisco bug ID CSCtn23871 ( registered customers only) and has been assigned Common Vulnerabilities and Exposures (CVE) IDs:
The following mitigations help limit the exposure to these vulnerabilities.
The following mitigation can help limit the exposure to the vulnerability "Retrieval of the configuration file".
When considering software upgrades, also consult http://www.cisco.com/go/psirt and any subsequent advisories to determine exposure and a complete upgrade solution.
In all cases, customers should exercise caution to be certain the devices to be upgraded contain sufficient memory and that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, contact the Cisco Small Business Support Center or your contracted maintenance provider for assistance.
These vulnerabilities have been fixed in the following firmware versions:
|
Affected Product |
Availability of First Fixed Release |
|---|---|
|
RVS4000v1 |
1.3.3.5 |
|
RVS4000v2 |
2.0.2.7 |
|
WRVS4400Nv2 |
2.0.2.1 |
The latest Cisco RVS4000 Gigabit Security Router software can be downloaded at http://www.cisco.com/cisco/software/type.html?mdfid=282414013&flowid=787 ( registered customers only)
The latest Cisco WRVS4400N V2 Gigabit Security Router software can be downloaded at http://www.cisco.com/cisco/software/type.html?mdfid=282414016 ( registered customers only)
The Cisco PSIRT is aware that these vulnerabilities have been made public at a conference on May 25th, 2011. The Cisco PSIRT is not aware of any malicious use of the vulnerabilities described in this advisory.
This vulnerability was reported to Cisco by Michal Sajdak of Securitum, Poland.
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.
|
Revision 1.1 |
2011-Jun-16 |
Modified software table to indicate that First Fixed release for RVS4000v1 is 1.3.3.5. |
|
Revision 1.0 |
2011-May-25 |
Initial public release. |
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