looney-tunables-CVE-2023-4911

PoC of CVE-2023-4911 Looney Tunables This is a PoC of CVE-2023-4911 a.k.a. "Looney Tunables" exploiting a bug in glibc dynamic loader's GLIBCTUNABLES environment variable parsing function parsetunables. Getting Started Executing program We can check if target is vulnerable root@kitploit: env -i...

CVE-2023-4911-Lab

CVE-2023-4911 "Looney Tunables" Analyseumgebung Docker-basierte Laborumgebung zur Analyse der Buffer-Overflow-Schwachstelle Local Privilege Escalation im dynamischen Lader der GNU C Library glibc und zur Entwicklung von Exploits. CVE-Informationen Eintrag| Wert ---|--- CVE-Nummer| CVE-2023-4911...

looneyCVE

Schritt 1 Überprüfe die glibc-Version root@kitploit: ldd --version Überprüfe, ob ein System anfällig für Looney Tunables CVE-2023-4911 ist root@kitploit: env -i "GLIBCTUNABLES=glibc.malloc.mxfast=glibc.malloc.mxfast=A" "Z=printf '%08192x' 1" /usr/bin/su --help Wenn wir einen Segmentation fault co...

CVE-2023-4911

CVE-2023-4911 Dies ist ein PoC Proof of Concept für die Looney Tunables Linux Privilege Escalation-Schwachstelle. Es basiert auf diesem PoC. Großer Dank an leesh3288. Hier findest du eine sehr detaillierte Writeup, und hier kannst du ein sehr cooles Video von IppSec sehen. Verwendung Prüfen, ob d...

CVE-2023-4911

Vulnerabilidade de estouro de buffer heap do glibc CVE-2023-4911 Item| Conteúdo ---|--- CVE ID| CVE-2023-4911 Tipo de ataque| Estouro de buffer heap → Escalonamento local de privilégios Local Privilege Escalation CVSS 3.1| 7.8 Alto Data de divulgação| 2023-10-03 Ponto vulnerável| Analisador...

CVE-2023-4911

PoC di CVE-2023-4911 "Looney Tunables" Questa è una PoC di CVE-2023-4911 noto anche come "Looney Tunables" che sfrutta un bug nella funzione parsetunables, la funzione di analisi della variabile d'ambiente GLIBCTUNABLES del caricatore dinamico di glibc. Il codice è stato testato su Ubuntu 22.04.3...

CVE-2023-4911

CVE-2023-4911 Este é um PoC para CVE-2023-4911 "Looney Tunables" que explora um bug na função parsetunables do carregador dinâmico do glibc, que analisa a variável de ambiente GLIBCTUNABLES. Esta é uma reescrita dos PoCs em C para uma abordagem pura em Python. Fiz isso para facilitar a...

CVE-2023-4911-PoC

Vulnerabilità del Dynamic Loader della GNU C Library CVE-2023-4911 Panoramica La GNU C Library glibc funge da libreria C nel sistema GNU ed è parte integrante dei sistemi basati su Linux. Al suo interno, glibc definisce funzionalità essenziali per i programmi, incluse le system call e funzioni...

CentOS 8 : glibc (CESA-2023:5455)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2023:5455 advisory. - A flaw was found in glibc. When the getaddrinfo function is called with the AFUNSPEC address family and the system is configured with no-aaaa mode vi...

Exploit for Heap-based Buffer Overflow in Gnu Glibc

GNU C Library's Dynamic Loader Vulnerability CVE-2023-4911...

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBCTUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBCTUNABLES environment variables when launching binaries with SUID permission to execute code...

Glibc Tunables Privilege Escalation

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 561, '3602eac894717d56555552c84fc6b0e4d6a4af72' = 561, 'a99db3715218b641780b04323e4ae5953d68a927' = 561, 'a8daca28288575ffc8c7641d40901b0148958fb1...

Glibc Tunables Privilege Escalation Exploit

A buffer overflow exists in the GNU C Library's dynamic loader ld.so while processing the GLIBCTUNABLES environment variable. It has been dubbed Looney Tunables. This issue allows an local attacker to use maliciously crafted GLIBCTUNABLES when launching binaries with SUID permission to execute co...

Exploit for Heap-based Buffer Overflow in Gnu Glibc

CVE-2023-4911-Looney-Tunables Looney Tunables Local privilege...

Oracle Linux 8 : glibc (ELSA-2023-5455)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-5455 advisory. - CVE-2023-4527: Stack read overflow in getaddrinfo in no-aaa mode. - CVE-2023-4813: potential use-after-free in gaihinet RHEL-2435. Tenable has...

glibc ld.so Local Privilege Escalation Vulnerability

Dubbed Looney Tunables, Qualys discovered a buffer overflow vulnerability in the glibc dynamic loader's processing of the GLIBCTUNABLES environment variable. This vulnerability was introduced in April 2021 glibc 2.34 by commit 2ed18c. Looney Tunables: Local Privilege Escalation in the glibc's ld....

glibc ld.so Local Privilege Escalation

Qualys Security Advisory Looney Tunables: Local Privilege Escalation in the glibc's ld.so CVE-2023-4911 ======================================================================== Contents ======================================================================== Summary Analysis Proof of concept...

Oracle Linux 9 : glibc (ELSA-2023-12854)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-12854 advisory. 2.34-60.0.3 - CVE-2023-4911: tunables: Terminate immediately if end of input is reached Reviewed by: Jose E. Marchesi Tenable has extracted the preceding...

Exploit for Heap-based Buffer Overflow in Gnu Glibc

PoC of CVE-2023-4911 "Looney Tunables" This is a PoC of CVE-2...

AZL-34733 CVE-2023-4911 affecting package glibc for versions less than 2.38-6

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBCTUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBCTUNABLES environment variables when launching binaries with SUID permission to execute code...