Rapid7 Vulnerability & Exploit Database

ICMP redirection enabled

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ICMP redirection enabled

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
12/31/2003
Created
07/25/2018
Added
11/30/2004
Modified
07/12/2012

Description

By default, many systems enable a feature called ICMP redirection, where the machine will alter its route table in response to an ICMP redirect message from any network device.

There is a risk that this feature could be used to subvert a host's routing table in order to compromise its security (e.g., tricking it into sending packets via a specific route where they may be sniffed or altered).

Solution(s)

  • generic-disable-icmp-redirect-w2k
  • generic-disable-icmp-redirect-ios
  • generic-disable-icmp-redirect-lnx
  • generic-disable-icmp-redirect-sol
  • generic-disable-icmp-redirect-general

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