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ITACS 5211: Introduction to Ethical Hacking

Wade Mackey

New Linux Kernel vulnerability

September 30, 2018 by Jayapreethi Selvaraju Leave a Comment

A cybersecurity researcher with Google Project Zero has released the details, and a proof-of-concept (PoC) exploit for a high severity vulnerability that exists in Linux kernel since kernel version 3.16 through 4.18.8.

Discovered by white hat hacker Jann Horn, the kernel vulnerability (CVE-2018-17182) is a cache invalidation bug in the Linux memory management subsystem that leads to use-after-free vulnerability, which if exploited, could allow an attacker to gain root privileges on the targeted system.

The use-after-free (UAF) vulnerabilities are a class of memory corruption bug that can be exploited by unprivileged users to corrupt or alter data in memory, enabling them to cause a denial of service (system crash) or escalate privileges to gain administrative access on a system.

https://thehackernews.com/2018/09/linux-kernel-exploit.html

 

Filed Under: Week 04: Vulnerability Scanning Tagged With:

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  • Uncategorized (14)
  • Week 01: Overview (7)
  • Week 02: TCP/IP and Network Architecture (18)
  • Week 03: Reconnaisance (17)
  • Week 04: Vulnerability Scanning (19)
  • Week 05: System and User Enumeration (17)
  • Week 06: Sniffers (17)
  • Week 07: NetCat and HellCat (15)
  • Week 08: Social Engineering, Encoding and Encryption (21)
  • Week 09: Malware (14)
  • Week 10: Web Application Hacking (17)
  • Week 11: SQL Injection (15)
  • Week 12: Web Services (25)
  • Week 13: Evasion Techniques (8)
  • Week 14: Review of all topics (15)

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