usnistgov/macos_security
1
0
Fork 0
mirror of https://github.com/usnistgov/macos_security.git synced 2026-03-20 07:20:25 +00:00
Code Issues 21 Actions Packages Projects Releases Wiki Activity

updated with new sshd check and fix

Browse Source
This commit is contained in:
Bob Gendler
2022-08-29 13:21:33 -04:00
parent af1a4f9b4d
commit 60cd4d7174
1 changed files with 19 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
rules/os/os_sshd_key_exchange_algorithm_configure.yaml
View File

@@ -11,14 +11,30 @@ discussion: |
NOTE: /etc/ssh/sshd_config will be automatically modified to its original state following any update or major upgrade to the operating system.
check: |
/usr/bin/grep -c "^KexAlgorithms diffie-hellman-group-exchange-sha256" /etc/ssh/sshd_config
/usr/sbin/sshd -T | /usr/bin/grep -ci "^KexAlgorithms diffie-hellman-group-exchange-sha256"
result:
integer: 1
fix: |
[source,bash]
----
/usr/bin/grep -q '^KexAlgorithms' /etc/ssh/sshd_config && /usr/bin/sed -i.bak 's/.*KexAlgorithms.*/KexAlgorithms diffie-hellman-group-exchange-sha256/' /etc/ssh/sshd_config || /bin/echo 'KexAlgorithms diffie-hellman-group-exchange-sha256' >> /etc/ssh/sshd_config; /bin/launchctl kickstart -k system/com.openssh.sshd
----
include_dir=$(/usr/bin/awk '/^Include/ {print $2}' /etc/ssh/sshd_config | /usr/bin/tr -d '*')
if [[ -z $include_dir ]]; then
/usr/bin/sed -i.bk "1s/.*/Include \/etc\/ssh\/sshd_config.d\/\*/" /etc/ssh/sshd_config
fi
echo "KexAlgorithms diffie-hellman-group-exchange-sha256" >> "${include_dir}01-mscp-sshd.conf"
for file in $(ls ${include_dir}); do
if [[ "$file" == "100-macos.conf" ]]; then
continue
fi
if [[ "$file" == "01-mscp-sshd.conf" ]]; then
break
fi
/bin/mv ${include_dir}${file} ${include_dir}20-${file}
done
----
references:
cce:
- N/A