[UNIX] Honeyd Remote Detection Via Simple Probe Packet

From: SecuriTeam (support_at_securiteam.com)
Date: 01/22/04

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Date: 22 Jan 2004 17:26:25 +0200

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      Honeyd Remote Detection Via Simple Probe Packet
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.honeyd.org/> Honeyd is a virtual honey pot daemon that can
    simulate virtual hosts on unallocated IP addresses.

    A bug in the way honeyd handles NMAP fingerprints makes it possible to
    detect IP addresses simulated by honeyd.

    DETAILS

    Vulnerable Systems:
     * Honeyd versions prior to 0.8

    Immune Systems:
     * Honeyd version 0.8

    A bug in handling NMAP fingerprints caused Honeyd to reply to TCP packets
    with both the SYN and RST flags set. Watching for replies, it is possible
    to detect IP addresses simulated by Honeyd. Although there are no public
    exploits known for Honeyd, the detection of Honeyd IP addresses may in
    some cases be undesirable.

    Patch Availability:
    A new version of Honeyd has been released in order to address this issue.
    It can be downloaded from <http://www.citi.umich.edu/u/provos/honeyd/>
    here

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:provos@citi.umich.edu> Niels
    Provos

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