Files
nuclei-templates/code/linux/audit/telnet-client.yaml
2025-08-29 10:06:03 +00:00

44 lines
1.6 KiB
YAML

id: telnet-client
info:
name: Ensure Telnet Client is Not Installed
author: Th3l0newolf
severity: info
description: |
The telnet and inetutils-telnet packages provide a Telnet client for remote access.Since Telnet uses unencrypted communication, these packages should not be installed to reduce the risk of credential theft and unauthorized access.
remediation: |
Ensure telnet and inetutils-telnet packages are not installed unless explicitly required.To remove them, run: sudo apt-get remove telnet inetutils-telnet -y
reference:
- https://www.cisecurity.org/benchmark/ubuntu_linux
metadata:
verified: true
tags: cis,local,cisecurity,audit,linux,ubuntu,telnet
self-contained: true
code:
- engine:
- sh
- bash
args:
- "-c"
- |
# Check if telnet or inetutils-telnet package is installed
if dpkg-query -W -f='${Package} ${Status}\n' telnet inetutils-telnet 2>/dev/null | grep -q "install ok installed"; then
echo "[cis-telnet-client-check:Policy-Fail] [Telnet client is installed] [CIS_FAIL]"
else
echo "[cis-telnet-client-check:Policy-Pass] [Telnet client is not installed] [CIS_PASS]"
fi
matchers:
- type: word
name: policy-pass
words:
- "Policy-Pass"
- type: word
name: policy-fail
words:
- "Policy-Fail"
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