Cyber World

  what is dirty cow vulnerability? Dirty COW was a vulnerability in the Linux kernel. It allowed processes to write read-only files. This exploit made use of a race condition that lived inside the kernel functions which handle the copy-on-write (COW) feature of memory mappings. CVE number of dirty cow- CVE-2016-5195 ·        About CVE-2016-5195 – A race condition was found in the way the Linux kernel’s memory subsystem handles the copy-on-write breakage of private read-only memory mappings. ·        An attacker would first require access to a shell on the device before they could use this exploit. What does this vulnerability do? This vulnerability allows the user to bypass the normal file system protections and write to files that are owned by the system. Consequences ·        Opens up many avenues for attack, ·        which results in the unpr...

  Why Hackers choose Linux? ·        Hackers choose Linux because of its general lack of patch management for the OS system, outdated third-party applications and lack of password enforcement. ·        Hackers also prefer Linux because it susceptible to PHP web misconfigurations, including un-validated parameters, broken access control, cross-site scripting flaws, buffer overflows, command injection flaws, error handling problems, remote administration flaws and insecure use of cryptography. ·        Linux also continues to work efficiently even when there is little space left on the hard drive, which is nearly impossible in most other operating systems. ·        Linux is the most popular choice for hackers due to its flexibility, open-source platform, portability and command line interface and compatibility with popular hacking tools. Portability and...