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Test ID:10198
Category:Useless services
Title:Check for Quote of the Day (qotd) Service (TCP)
Summary:The Quote of the Day (qotd) service is running on this host.
Description:Summary:
The Quote of the Day (qotd) service is running on this host.

Vulnerability Insight:
A server listens for TCP connections on TCP port 17.
Once a connection is established a short message is sent out the connection (and any
data received is thrown away). The service closes the connection after sending the quote.

Vulnerability Impact:
An easy attack is 'pingpong' which IP spoofs a packet between
two machines running qotd. This will cause them to spew characters at each other, slowing the
machines down and saturating the network.

Solution:
- Under Unix systems, comment out the 'qotd' line
in /etc/inetd.conf and restart the inetd process

- Under Windows systems, set the following registry keys to 0 :

HKLM\System\CurrentControlSet\Services\SimpTCP\Parameters\EnableTcpQotd

HKLM\System\CurrentControlSet\Services\SimpTCP\Parameters\EnableUdpQotd

Then launch cmd.exe and type :

net stop simptcp

net start simptcp

To restart the service.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-1999-0103
Cert/CC Advisory: CA-96.01.UDP_service_denial
https://ics-cert.us-cert.gov/advisories/ICSMA-18-233-01
XForce ISS Database: chargen
XForce ISS Database: chargen-patch
XForce ISS Database: echo
CopyrightCopyright (C) 1999 Mathieu Perrin

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