PublicMirrors/vps-audit
1
0
Fork 0
mirror of https://github.com/vernu/vps-audit.git synced 2025-01-23 13:35:06 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

Check SSH config overrides

Browse Source 
Checks the base sshd_config file for the `Include` directive. Then checks each setting against the overrides first, then the base sshd_config. Will stop at the first instance of the setting found.
This commit is contained in:
Dave Fatkin 2024-12-14 15:55:38 +00:00 committed by GitHub
parent 07abec919f
commit 1a7cfaf42f
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 15 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
vps-audit.sh
View File

@ -110,22 +110,33 @@ else
check_security "System Restart" "PASS" "No restart required" check_security "System Restart" "PASS" "No restart required"
fi fi
# Check SSH config overrides
SSH_OVERRIDES=$(grep "^Include" /etc/ssh/sshd_config | awk '{print $2}')
# Check SSH root login # Check SSH root login
if grep -q "^PermitRootLogin.*no" /etc/ssh/sshd_config; then SSH_ROOT=$(grep "^PermitRootLogin" $SSH_OVERRIDES /etc/ssh/sshd_config | head -1 | awk '{print $2}')
if [ -z "$SSH_ROOT" ]; then
SSH_ROOT="prohibit-password"
fi
if [ "$SSH_ROOT" = "no" ]; then
check_security "SSH Root Login" "PASS" "Root login is properly disabled in SSH configuration" check_security "SSH Root Login" "PASS" "Root login is properly disabled in SSH configuration"
else else
check_security "SSH Root Login" "FAIL" "Root login is currently allowed - this is a security risk. Disable it in /etc/ssh/sshd_config" check_security "SSH Root Login" "FAIL" "Root login is currently allowed - this is a security risk. Disable it in /etc/ssh/sshd_config"
fi fi
# Check SSH password authentication # Check SSH password authentication
if grep -q "^PasswordAuthentication.*no" /etc/ssh/sshd_config; then SSH_PASSWORD=$(grep "^PasswordAuthentication" $SSH_OVERRIDES /etc/ssh/sshd_config | head -1 | awk '{print $2}')
if [ -z "$SSH_PASSWORD" ]; then
SSH_PASSWORD="yes"
fi
if [ "$SSH_PASSWORD" = "no" ]; then
check_security "SSH Password Auth" "PASS" "Password authentication is disabled, key-based auth only" check_security "SSH Password Auth" "PASS" "Password authentication is disabled, key-based auth only"
else else
check_security "SSH Password Auth" "FAIL" "Password authentication is enabled - consider using key-based authentication only" check_security "SSH Password Auth" "FAIL" "Password authentication is enabled - consider using key-based authentication only"
fi fi
# Check SSH default port # Check SSH default port
SSH_PORT=$(grep "^Port" /etc/ssh/sshd_config | awk '{print $2}') SSH_PORT=$(grep "^Port" $SSH_OVERRIDES /etc/ssh/sshd_config | head -1 | awk '{print $2}')
if [ -z "$SSH_PORT" ]; then if [ -z "$SSH_PORT" ]; then
SSH_PORT="22" SSH_PORT="22"
fi fi