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FreeBSD Security Advisory (FreeBSD-SA-07:03.ipv6.asc)

Information

Severity

Severity

High

Family

Family

FreeBSD Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

14 years ago

Modified

Modified

5 years ago

Summary

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-07:03.ipv6.asc

Insight

Insight

IPv6 provides a routing header option which allows a packet sender to indicate how the packet should be routed, overriding the routing knowledge present in a network. This functionality is roughly equivalent to the source routing option in IPv4. All nodes in an IPv6 network -- both routers and hosts -- are required by RFC 2640 to process such headers. There is no mechanism for preventing IPv6 routing headers from being used to route packets over the same link(s) many times.

Solution

Solution

Upgrade your system to the appropriate stable release or security branch dated after the correction date https://secure1.securityspace.com/smysecure/catid.html?in=FreeBSD-SA-07:03.ipv6.asc

Common Vulnerabilities and Exposures (CVE)