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Malformed ICMP Packets May Cause a Denial of Service (SCTP)
Information
Severity
Severity
High
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
7.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:C/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
18 years ago
Modified
Modified
4 years ago
Summary
It is possible to crash the remote host by sending it malformed ICMP packets.
Insight
Insight
Linux Kernels older than version 2.6.13 contains a bug which may allow an attacker to cause a NULL pointer dereference by sending malformed ICMP packets, thus resulting in a kernel panic. This flaw is present only if SCTP support is enabled on the remote host.
Solution
Solution
Ugprade to Linux 2.6.13 or newer, or disable SCTP support.