Minor misspelling mistakes and corrected the check of the mysqld process

Author: x2020

documentation/modules/exploit/linux/local/mysql_priv_esc.md

@@ -1,7 +1,7 @@
 
 ## Notes
 
-This exploit was tested on ubuntu 14 and 16. As it relays on log file location and service restarting, success on other linux distributions depends greatly.
+This exploit was tested on ubuntu 14 and 16. As it relies on log file location and service restarting, success on other linux distributions depends greatly.
 
 ## Creating A Testing Environment
 
@@ -78,7 +78,7 @@ This module was not tested against, but may work against:
 
   **COMPILE**
 
-  If we should live compile on the system, or drop pre-created binaries.  Auto will determine if gcc/libs are installed to compile live on the system.  Defaults to Auto
+  If we should live compile on the system, or drop pre-created binaries.  `Auto` will determine if gcc/libs are installed to compile live on the system.  Defaults to `Auto`
 
 ## Scenarios
 

modules/exploits/linux/local/mysql_priv_esc.rb

@@ -66,15 +66,15 @@ def check_reqs?()
         vprint_good "mysqld_safe is running"
         return true
       end
-      vprint_error "mysqld process not running"
-      true
+      print_error "mysqld process not running"
+      false
     end
 
     def mysql_user?()
       # test for mysql user
       mysql = cmd_exec("id | grep -E '(mysql)'")
       if not mysql.include?("mysql")
-        print_error "The current session user (#{mysql})is not mysql"
+        print_error "The current session user (#{mysql}) is not mysql"
         return false
       end
       vprint_good "The current user is mysql"
@@ -115,7 +115,7 @@ def exploit
 
     # first thing we need to do is determine our method of exploitation: compiling realtime, or droping a pre-compiled version.
     def has_prereqs?()
-      vprint_status('Checking if gcc are installed')
+      vprint_status('Checking if gcc is installed')
       if target.name == "Ubuntu"
         gcc = cmd_exec('which gcc')
         if gcc.include?('gcc')
@@ -167,6 +167,7 @@ def has_prereqs?()
       write_file(privesclib_file, privesclib)
     end
     register_file_for_cleanup(backdoorpath)
+    register_file_for_cleanup(privesclib_file)
 
     # the actual pwning
     def do_pwn(privesclib_file, suidbin, backdoorpath, payload_path)