CVE-2023-4911 Looney Tunables Glibc Linux Privilege Escalation | Update Your Linux Now !
In this video walk-through, we covered and explained CVE-2023-4911 that affects mostly all Linux distributions and allows an attacker to escalate privileges to root. The vulnerability impacts the GNU C Library’s dynamic loader, known as ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges. We used a lab setup specifically to try this exploit using TryHackMe Looney Tunables room.
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