Hi, folks. I wanna talk about CVE-2022–0847. & it's called Dirty pipe vulnerability. This is a vulnerability in the Linux kernel since 5.8 which allows overwriting data in arbitrary read-only files. This leads to privilege escalation because unprivileged processes can inject code into root processes. The vulnerability was discovered by…

VulnNet: Internal is a Easy/Medium level Box. It includes enumerating different services and finding useful information to gain user access. For privilege escalation we have to use port forwarding to access TeamCity service and then we can run commands as root user. TryHackMe Room Link: https://tryhackme.com/room/vulnnetinternal There are four flags that need to be submitted in order to complete the challenge: 1.Service Flag 2.Internal Flag 3.User Flag 4.Root Flag