Add linpeas privilege escalation checks from: HackTheBox Editor: Unauthenticated XWiki Groovy RCE (CVE-2025-24893) to Netdata

linPEAS/README.md

@@ -28,6 +28,10 @@ Note that by default, in the releases pages of this repository, you will find a
 - **linpeas.sh**: Contains all checks, but only the third party application `linux exploit suggester` is embedded. This is the default `linpeas.sh`.
 - **linpeas_small.sh**: Contains only the most *important* checks making its size smaller.
 
+## What's new
+
+- **2025-12-06**: Added automatic detection and guidance for Netdata `ndsudo` PATH hijacking (CVE-2024-32019) so you can quickly spot vulnerable Netdata agents.
+
 ## Quick Start
 Find the **latest versions of all the scripts and binaries in [the releases page](https://github.com/peass-ng/PEASS-ng/releases/latest)**.
 

linPEAS/builder/linpeas_parts/8_interesting_perms_files/16_Netdata_ndsudo.sh

@@ -0,0 +1,108 @@
+# Title: Interesting Permissions Files - Netdata ndsudo PATH hijack (CVE-2024-32019)
+# ID: IP_Netdata_ndsudo
+# Author: HT Bot
+# Last Update: 06-12-2025
+# Description: Detect Netdata ndsudo SUID helper vulnerable to PATH hijacking (CVE-2024-32019)
+# License: GNU GPL
+# Version: 1.0
+# Functions Used: print_2title, print_info
+# Global Variables: $SEARCH_IN_FOLDER, $HOME, $PATH
+# Initial Functions:
+# Generated Global Variables: $ndsudo_candidates, $guess_path, $found_paths, $guess_dir, $ndsudo_bin, $perm_info, $owner, $group, $perms, $ndsudo_help, $command_list, $exec_list, $writable_dirs, $hijack_dir, $default_exec, $default_cmd
+# Fat linpeas: 0
+# Small linpeas: 1
+
+if ! [ "$SEARCH_IN_FOLDER" ]; then
+  print_2title "Netdata ndsudo PATH hijack (CVE-2024-32019)"
+  print_info "https://nvd.nist.gov/vuln/detail/CVE-2024-32019"
+
+  ndsudo_candidates=""
+
+  if command -v ndsudo >/dev/null 2>&1; then
+    ndsudo_candidates=$(command -v ndsudo 2>/dev/null)
+  fi
+
+  for guess_path in \
+    /opt/netdata/usr/libexec/netdata/plugins.d/ndsudo \
+    /usr/libexec/netdata/plugins.d/ndsudo \
+    /usr/lib/netdata/plugins.d/ndsudo \
+    /opt/netdata/usr/sbin/ndsudo \
+    /opt/netdata/bin/ndsudo \
+    /usr/sbin/ndsudo; do
+    if [ -f "$guess_path" ]; then
+      ndsudo_candidates="$ndsudo_candidates
+$guess_path"
+    fi
+  done
+
+  for guess_dir in /opt/netdata /usr/libexec/netdata /usr/lib/netdata /usr/local/netdata; do
+    if [ -d "$guess_dir" ]; then
+      found_paths=$(find "$guess_dir" -type f -name ndsudo 2>/dev/null | head -n 5)
+      if [ "$found_paths" ]; then
+        ndsudo_candidates="$ndsudo_candidates
+$found_paths"
+      fi
+    fi
+  done
+
+  ndsudo_candidates=$(printf "%s\n" "$ndsudo_candidates" | grep -v "^$" | sort -u)
+
+  if [ -z "$ndsudo_candidates" ]; then
+    echo "ndsudo helper not present."
+  else
+    printf "%s\n" "$ndsudo_candidates" | while read -r ndsudo_bin; do
+      [ -z "$ndsudo_bin" ] && continue
+      if [ ! -x "$ndsudo_bin" ]; then
+        echo "$ndsudo_bin exists but the current user cannot execute it."
+        continue
+      fi
+
+      perm_info=$(ls -l "$ndsudo_bin" 2>/dev/null)
+      owner=$(printf "%s" "$perm_info" | awk '{print $3}')
+      group=$(printf "%s" "$perm_info" | awk '{print $4}')
+      perms=$(printf "%s" "$perm_info" | awk '{print $1}')
+
+      if [ -u "$ndsudo_bin" ] && [ "$owner" = "root" ]; then
+        echo "Potential Netdata ndsudo PATH injection vector: $ndsudo_bin (owner: $owner:$group perms: $perms)"
+
+        ndsudo_help=$("$ndsudo_bin" --help 2>/dev/null)
+        if [ -z "$ndsudo_help" ]; then
+          ndsudo_help=$("$ndsudo_bin" -h 2>/dev/null)
+        fi
+
+        command_list=$(printf "%s" "$ndsudo_help" | awk -F: '/Command/{gsub(/^[ \t]+|[ \t]+$/, "", $2); if($2!=""){printf "%s ", $2}}')
+        exec_list=$(printf "%s" "$ndsudo_help" | awk -F: '/Executables/{gsub(/^[ \t]+|[ \t]+$/, "", $2); if($2!=""){printf "%s ", $2}}')
+
+        if [ "$command_list" ]; then
+          echo "  Logical commands: $command_list"
+        fi
+        if [ "$exec_list" ]; then
+          echo "  Executables resolved via PATH: $exec_list"
+        fi
+        if printf "%s" "$ndsudo_help" | grep -qi "searches for executables"; then
+          echo "  Helper confirms it searches for executables via PATH."
+        fi
+
+        writable_dirs=""
+        for hijack_dir in /dev/shm /tmp /var/tmp "$HOME/.local/bin" "$HOME/bin"; do
+          if [ -d "$hijack_dir" ] && [ -w "$hijack_dir" ]; then
+            writable_dirs="$writable_dirs $hijack_dir"
+          fi
+        done
+        if [ "$writable_dirs" ]; then
+          echo "  Writable dirs you can prepend to PATH: $writable_dirs"
+        fi
+
+        default_exec=$(printf "%s" "$exec_list" | awk '{print $1}')
+        [ -z "$default_exec" ] && default_exec="nvme"
+        default_cmd=$(printf "%s" "$command_list" | awk '{print $1}')
+        [ -z "$default_cmd" ] && default_cmd="nvme-list"
+        echo "  Sample abuse: printf '#!/bin/sh\\nid' > /dev/shm/$default_exec; chmod +x /dev/shm/$default_exec; PATH=/dev/shm:\\$PATH $ndsudo_bin $default_cmd"
+        echo "  Fixed in Netdata 1.45.3 / 1.45.2-169."
+      else
+        echo "$ndsudo_bin present but not SUID-root (owner: $owner:$group perms: $perms)."
+      fi
+    done
+  fi
+  echo ""
+fi