ZDI-07-036: Arris Cadant C3 CMTS Remote DoS Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-07-036.html
June 11, 2007
-- CVE ID:
CVE-2007-2796
-- Affected Vendor:
Arris
-- Affected Products:
Cadant C3
-- Vulnerability Details:
This vulnerability allows remote attackers to cause a denial of service
on vulnerable Arris Cadant C3 CMTS systems. Authentication is not
required to exploit this vulnerability.
The flaw exists due to mishandling of IP options. When an unknown or
bad option is specified, the C3 will terminate disabling all service
that is handled by that CMTS. The vulnerability can be triggered with a
single malformed IP packet.
-- Vendor Response:
Arris customers have been notified of the vulnerability and the
availability of a security update by email. For additional information,
please contact Arris support at:
http://www.arrisi.com/contact_us/support/
-- Disclosure Timeline:
2007.02.23 - Vulnerability reported to vendor
2007.06.11 - Coordinated public release of advisory
-- Credit:
This vulnerability was discovered by an anonymous researcher.
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