Merge pull request #483 from securitytime/patch-1

Update Beaprint.cs

linPEAS/builder/linpeas_builder.py

@@ -33,7 +33,7 @@ if __name__ == "__main__":
     parser.add_argument('--small', action='store_true', help='Build small version of linpeas.')
     parser.add_argument('--include', type=str, help='Build linpeas only with the modules indicated you can indicate section names or module IDs).')
     parser.add_argument('--exclude', type=str, help='Exclude the given modules (you can indicate section names or module IDs).')
-    parser.add_argument('--output', required=True, type=str, help='Parth to write the final linpeas file to.')
+    parser.add_argument('--output', required=True, type=str, help='Path to write the final linpeas file to.')
     args = parser.parse_args()
 
     all_modules = args.all

linPEAS/builder/linpeas_parts/7_software_information/Mysql.sh

@@ -8,7 +8,7 @@
 # Functions Used: print_2title
 # Global Variables: $DEBUG, $knw_usrs, $nosh_usrs, $sh_usrs, $DEBUG, $USER, $STRINGS
 # Initial Functions:
-# Generated Global Variables: $mysqluser, $mysqlexec, $mysqlconnect, $mysqlconnectnopass
+# Generated Global Variables: $mysqluser, $mysqlexec, $mysqlconnect, $mysqlconnectnopass, $mysqluser, $version_output, $major_version, $version, $process_info
 # Fat linpeas: 0
 # Small linpeas: 1
 
@@ -102,4 +102,42 @@ if [ "$(command -v mysql || echo -n '')" ] || [ "$(command -v mysqladmin || echo
   else echo_no
   fi
   echo ""
+fi
+
+### This section checks if MySQL (mysqld) is running as root and if its version is 4.x or 5.x to refer a known local privilege escalation exploit! ###
+
+# Find the mysqld process
+process_info=$(ps aux | grep '[m]ysqld' | head -n1)
+
+if [ -z "$process_info" ]; then
+  echo "MySQL process not found." | sed -${E} "s,.*,${SED_GREEN},"
+else
+
+  # Extract the process user
+  mysqluser=$(echo "$process_info" | awk '{print $1}')
+
+  # Get the MySQL version string
+  version_output=$(mysqld --version 2>&1)
+
+  # Extract the version number (expects format like X.Y.Z)
+  version=$(echo "$version_output" | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -n1)
+
+  if [ -z "$version" ]; then
+    echo "Unable to determine MySQL version." | sed -${E} "s,.*,${SED_GREEN},"
+  else
+
+    # Extract the major version number (X from X.Y.Z)
+    major_version=$(echo "$version" | cut -d. -f1)
+
+    # Check if MySQL is running as root and if the version is either 4.x or 5.x
+    if [ "$mysqluser" = "root" ] && { [ "$major_version" -eq 4 ] || [ "$major_version" -eq 5 ]; }; then
+      echo "MySQL is running as root with version $version. This is a potential local privilege escalation vulnerability!" | sed -${E} "s,.*,${SED_RED},"
+      echo "\tRefer to: https://www.exploit-db.com/exploits/1518" | sed -${E} "s,.*,${SED_YELLOW},"
+      echo "\tRefer to: https://medium.com/r3d-buck3t/privilege-escalation-with-mysql-user-defined-functions-996ef7d5ceaf" | sed -${E} "s,.*,${SED_YELLOW},"
+    else
+      echo "MySQL is running as user '$mysqluser' with version $version." | sed -${E} "s,.*,${SED_GREEN},"
+    fi
+    ### ------------------------------------------------------------------------------------------------------------------------------------------------ ###
+  
+  fi
 fi

linPEAS/builder/src/linpeasBaseBuilder.py

@@ -292,9 +292,12 @@ class LinpeasBaseBuilder:
         all_module_paths += self.enumerate_directory(LINPEAS_PARTS["variables"])
         
         for module in LINPEAS_PARTS["modules"]:
+            exclude = False
             for ex_module in exclude_modules:
                 if ex_module in module["folder_path"] or ex_module in [module["name"], module["name_check"]]:
-                    continue
+                    exclude = True
+                    break
+            if exclude: continue
             all_module_paths += self.enumerate_directory(module["folder_path"])
         
         for module in all_module_paths:

linPEAS/builder/src/linpeasBuilder.py

@@ -97,7 +97,7 @@ class LinpeasBuilder:
         for orig_url in urls:
             tar_gz_bin_name = ""
             if ",,," in orig_url:
-                tar_gz_bin_name = url.split(",,,")[1]
+                tar_gz_bin_name = orig_url.split(",,,")[1]
                 url = orig_url.split(",,,")[0]
             else:
                 url = orig_url
@@ -402,9 +402,9 @@ class LinpeasBuilder:
 
 
     def __replace_mark(self, mark: str, find_calls: list, join_char: str):
-        """Substitude the markup with the actual code"""
-        
-        self.linpeas_sh = self.linpeas_sh.replace(mark, join_char.join(find_calls)) #New line char is't needed
+        """Substitute the markup with the actual code"""
+
+        self.linpeas_sh = self.linpeas_sh.replace(mark, join_char.join(find_calls)) #New line char isn't needed
     
     def write_linpeas(self, path):
         """Write on disk the final linpeas"""

parsers/peas2json.py

@@ -106,8 +106,6 @@ def parse_line(line: str):
 
     global FINAL_JSON, C_SECTION, C_MAIN_SECTION, C_2_SECTION, C_3_SECTION
 
-    if "Cron jobs" in line:
-        a=1
 
     if is_section(line, TITLE1_PATTERN):
         title = parse_title(line)
@@ -145,17 +143,26 @@ def parse_line(line: str):
 
 
 def parse_peass(outputpath: str, jsonpath: str = ""):
-    global OUTPUT_PATH, JSON_PATH
+    global OUTPUT_PATH, JSON_PATH, FINAL_JSON, C_SECTION, C_MAIN_SECTION, C_2_SECTION, C_3_SECTION
 
     OUTPUT_PATH = outputpath
     JSON_PATH = jsonpath
 
-    for line in open(OUTPUT_PATH, 'r', encoding="utf8").readlines():
-        line = line.strip()
-        if not line or not clean_colors(line): #Remove empty lines or lines just with colors hex
-            continue
+    # Reset globals to avoid data leaking between executions
+    FINAL_JSON = {}
+    C_SECTION = FINAL_JSON
+    C_MAIN_SECTION = FINAL_JSON
+    C_2_SECTION = FINAL_JSON
+    C_3_SECTION = FINAL_JSON
 
-        parse_line(line)
+    with open(OUTPUT_PATH, 'r', encoding="utf8") as f:
+        for line in f.readlines():
+            line = line.strip()
+            # Remove empty lines or lines containing only color codes
+            if not line or not clean_colors(line):
+                continue
+
+            parse_line(line)
 
     if JSON_PATH:
         with open(JSON_PATH, "w") as f:

winPEAS/winPEASexe/winPEAS/Checks/ProcessInfo.cs

@@ -102,17 +102,15 @@ namespace winPEAS.Checks
                 {
                     vulnHandlers = ProcessesInfo.GetVulnHandlers(progress);
                 }
+                Dictionary<string, string> colors = new Dictionary<string, string>();
+                colors[Checks.CurrentUserName] = Beaprint.ansi_color_bad;
+                colors[HandlesHelper.elevatedProcess] = Beaprint.ansi_color_bad;
 
                 foreach (Dictionary<string, string> handler in vulnHandlers)
                 {
-                    Dictionary<string, string> colors = new Dictionary<string, string>()
-                    {
-                        { Checks.CurrentUserName, Beaprint.ansi_color_bad },
-                        { handler["Reason"], Beaprint.ansi_color_bad },
-                    };
-
-                    Beaprint.DictPrint(vulnHandlers, colors, true);
+                    colors[handler["Reason"]] = Beaprint.ansi_color_bad;
                 }
+                Beaprint.DictPrint(vulnHandlers, colors, true);
             }
             catch (Exception ex)
             {

winPEAS/winPEASexe/winPEAS/Helpers/Beaprint.cs

@@ -31,7 +31,7 @@ namespace winPEAS.Helpers
         public static string ansi_current_user = MAGENTA;
 
         private static string Advisory =
-            "winpeas should be used for authorized penetration testing and/or educational purposes only." +
+            "winpeas should be used for authorized penetration testing and/or educational purposes only. " +
             "Any misuse of this software will not be the responsibility of the author or of any other collaborator. " +
             "Use it at your own devices and/or with the device owner's permission.";
 

winPEAS/winPEASexe/winPEAS/Helpers/HandlesHelper.cs

@@ -12,6 +12,7 @@ namespace winPEAS.Helpers
         private const int CNST_SYSTEM_EXTENDED_HANDLE_INFORMATION = 64;
         public const uint STATUS_INFO_LENGTH_MISMATCH = 0xC0000004;
         public const int DUPLICATE_SAME_ACCESS = 0x2;
+        public const string elevatedProcess = "Access denied, process is probably elevated";
 
         [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
         public struct FILE_NAME_INFO
@@ -171,7 +172,7 @@ namespace winPEAS.Helpers
                 // Hex perms from https://docs.microsoft.com/en-us/windows/win32/procthread/process-security-and-access-rights and https://github.com/buffer/maltracer/blob/master/defines.py
 
                 //PROCESS_ALL_ACCESS
-                if ((h.GrantedAccess & 0x001F0FFF) == h.GrantedAccess)
+                if ((h.GrantedAccess & 0x001F0FFF) == h.GrantedAccess || (h.GrantedAccess & 0x1FFFFF) == h.GrantedAccess)
                 {
                     vulnHandler.isVuln = true;
                     vulnHandler.reason = "PROCESS_ALL_ACCESS";
@@ -454,6 +455,8 @@ namespace winPEAS.Helpers
             }
             catch
             {
+                data["name"] = elevatedProcess;
+                data["sid"] = elevatedProcess;
                 return data;
             }
             finally
@@ -469,12 +472,32 @@ namespace winPEAS.Helpers
         public static PT_RELEVANT_INFO getProcInfoById(int pid)
         {
             PT_RELEVANT_INFO pri = new PT_RELEVANT_INFO();
+            Process proc;
 
-            Process proc = Process.GetProcessById(pid);
+            try
+            {
+                proc = Process.GetProcessById(pid);
+            }
+            catch
+            {
+                pri.pid = pid;
+                pri.name = "Error, process may not exist";
+                pri.userName = "Error, process may not exist";
+                pri.userSid = "Error, process may not exist";
+                pri.imagePath = "Error, process may not exist";
+                return pri;
+            }
             Dictionary<string, string> user = GetProcU(proc);
-
             StringBuilder fileName = new StringBuilder(2000);
-            Native.Psapi.GetProcessImageFileName(proc.Handle, fileName, 2000);
+
+            try
+            {
+                Native.Psapi.GetProcessImageFileName(proc.Handle, fileName, 2000);
+            }
+            catch
+            {
+                fileName = new StringBuilder(elevatedProcess);
+            }
 
             pri.pid = pid;
             pri.name = proc.ProcessName;