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TITLE:
Force10 FTOS Routers IPv6 Neighbor Discovery Protocol Vulnerability

SECUNIA ADVISORY ID:
SA32117

VERIFY ADVISORY:
http://secunia.com/advisories/32117/

CRITICAL:
Less critical

IMPACT:
Spoofing, Exposure of sensitive information, DoS

WHERE:
>From local network

OPERATING SYSTEM:
Force10 FTOS Routers
http://secunia.com/advisories/product/20024/

DESCRIPTION:
A vulnerability has been reported in Force10 FTOS Routers, which can
be exploited by malicious people to conduct spoofing attacks,
disclose potentially sensitive information, or to cause a DoS (Denial
of Service).

The vulnerability is caused due to an error in the implementation of
the Neighbor Discovery protocol when processing neighbor solicitation
requests. This can be exploited to add a fake entry to the router's
neighbor cache via a neighbor solicitation request containing a
spoofed IPv6 address.

Successful exploitation may allow the interception or disruption of
network traffic, but requires that the IPv6 nodes involved in the
attack are using the same router.

SOLUTION:
The vendor has reportedly fixed the vulnerability in FTOS version
E7.7.1.1.

PROVIDED AND/OR DISCOVERED BY:
US-CERT credits David Miles.

ORIGINAL ADVISORY:
http://www.kb.cert.org/vuls/id/MAPG-7H2RY7

OTHER REFERENCES:
US-CERT VU#472363:
http://www.kb.cert.org/vuls/id/472363

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