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FreeBSD Security Advisory (FreeBSD-SA-08:09.icmp6.asc)

Information

Severity

Severity

High

Family

Family

FreeBSD Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.1

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

14 years ago

Modified

Modified

4 years ago

Summary

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-08:09.icmp6.asc

Insight

Insight

IPv6 nodes use ICMPv6 amongst other things to report errors encountered while processing packets. The 'Packet Too Big Message' is sent in case a node cannot forward a packet because the size of the packet is larger than the MTU of next-hop link. In case of an incoming ICMPv6 'Packet Too Big Message', there is an insufficient check on the proposed new MTU for a path to the destination.

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-08:09.icmp6.asc

Common Vulnerabilities and Exposures (CVE)