Multiple SMCD3G-CCR gateways interface cross-site request forgery

smcd3gccr-interface-csrf (65185) The risk level is classified as MediumMedium Risk

Description:

Multiple SMCD3G-CCR gateways are vulnerable to cross-site request forgery, caused by improper validation of user-supplied input by the management interface. By persuading an authenticated user to visit a malicious Web site, a remote attacker could send a malformed HTTP request to modify device configuration and enable remote administration. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.7
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to SMCD3G-CCR for patch, upgrade or suggested workaround information. See References.

References:

  • SMCD3G-CCR: Vulnerabilities in Comcast DOCSIS 3.0 Business Gateways.
  • BID-46178: SMC Networks SMCD3G Session Management Authentication Bypass Vulnerability
  • BID-46215: Comcast DOCSIS 3.0 Business Gateways Cross Site Request Forgery and Security Bypass Vulnerabilities
  • CVE-2011-0886: Multiple cross-site request forgery (CSRF) vulnerabilities in the web interface on the SMC SMCD3G-CCR (aka Comcast Business Gateway) with firmware before 1.4.0.49.2 allow remote attackers to (1) hijack the intranet connectivity of arbitrary users for requests that perform a login via goform/login, or hijack the authentication of administrators for requests that (2) enable external logins via an mso_remote_enable action to goform/RemoteRange or (3) change DNS settings via a manual_dns_enable action to goform/Basic.
  • OSVDB ID: 72435: SMC / Comcast DOCSIS Business Gateways Multiple Management Page Administrative Action CSRF
  • SA43199: SMC SMCD3G-CCR Two Vulnerabilities

Platforms Affected:

  • Comcast Business Gateways 3.0
  • SMC SMCD3G-CCR 1.4.0.49

Reported:

Feb 04, 2011

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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