7411 : KAME sin6_scope_id Mismatch IPv6 Address Spoofing
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Info

Last Modified

7 months ago

Percent Complete

90%

Disclosure

Dec 07, 2000

Discovery

Unknown

Dates

Exploit

Dec 07, 2000

Solution

Unknown

Description

KAME contains a flaw related to the sin6_scope_id values in kame/sys/netkey/key.c that may allow an attacker to incorrectly match IP addresses. In the key_cmpspidx_withmask function, sin6_scope_id variables are compared only when both variables are non-zero. However, an address of ::/0 would not match fe80::1%ne0, for example, and this could potentially lead to spoofing. No further details have been provided.

Classification

Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to version 1.1429 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by applying the vendor-supplied patch.

Products

KAME Project
Watch-list
KAME
Watch-list
1.1428

References

Credit

Unknown or Incomplete

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