14 December 2015
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.3110 Cisco DPC3939 (XB3) Router Administrative Web Interface Command Injection Vulnerability 14 December 2015 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco DPC3939 (XB3) Router Publisher: Cisco Systems Operating System: Cisco UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Mitigation CVE Names: CVE-2015-6361 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151208-xb3 Comment: Cisco has not provided any workarounds or patches at this time. AusCERT recommends reviewing access to the web interface and disabling any unused or old accounts as well as ensuring that access has been granted only where absolutely necessary. - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco DPC3939 (XB3) Router Administrative Web Interface Command Injection Vulnerability Medium Advisory ID: cisco-sa-20151208-xb3 Published: 2015 December 8 21:49 GMT Version 1.0: Final CVSS Score: Base - 4.0 Workarounds: No workarounds available Cisco Bug IDs: CSCuw86170 CVE-2015-6361 CWE-20 Summary A vulnerability in the administrative web interface of the Cisco DPC3939 (XB3) router could allow an authenticated, remote attacker to execute arbitrary commands on the affected system and on the devices managed by the system. The vulnerability is due to improper user input validation. An attacker could exploit this vulnerability by crafting input into the affected fields of the web interface. An exploit could allow the attacker to execute arbitrary commands on the system. Cisco has not released software updates that address these vulnerabilities. Workarounds that mitigate these vulnerabilities are not available. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151208-xb3 Affected Products Vulnerable Products Cisco DPC3939 (XB3) router version 121109aCMCST is vulnerable. Products Confirmed Not Vulnerable No other Cisco products are currently known to be affected by these vulnerabilities. Workarounds Workarounds are not available. Fixed Software When considering software upgrades, customers are advised to consult the Cisco Security Advisories, Responses, and Notices 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 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. URL http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151208-xb3 Revision History Version Description Section Status Date 1.0 Initial public release Final 2015-December-08 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. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: email@example.com Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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