Exploit for Off-by-one Error in Sudo_Project Sudo

This is a PoC exploit for CVE-2021-3156, a heap-based overflow vulnerability in sudo. The exploit is written in C and uses a combination of techniques to achieve arbitrary code execution. The exploit creates a shared library libnssX/P0PSH3LLZ .so.2 that is loaded by sudo, which contains a buffer...

NewStart CGSL CORE 5.04 / MAIN 5.04 : sudo Vulnerability (NS-SA-2021-0032)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has sudo packages installed that are affected by a vulnerability: - Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via sudoedit -s and a command-line argument that ends with a single...

NewStart CGSL MAIN 6.02 : sudo Vulnerability (NS-SA-2021-0089)

The remote NewStart CGSL host, running version MAIN 6.02, has sudo packages installed that are affected by a vulnerability: - Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via sudoedit -s and a command-line argument that ends with a single backslash...

Informational: Impact of Sudo Vulnerability CVE-2021-3156

Palo Alto Networks Product Security Assurance team has evaluated the Sudo software vulnerability CVE-2021-3156. PAN-OS software, Prisma Cloud compute, and Prisma SD-WAN CloudGenix devices do not include the Sudo program and, therefore, no scenarios required for successful exploitation exist in...

Apple Patches 10-Year-Old macOS SUDO Root Privilege Escalation Bug

Apple has rolled out a fix for a critical sudo vulnerability in macOS Big Sur, Catalina, and Mojave that could allow unauthenticated local users to gain root-level privileges on the system. "A local attacker may be able to elevate their privileges," Apple said in a security advisory. "This issue...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-2021-3156 PoC Introduction This is an exploit for the...

sudo: Heap buffer overflow in argument parsing

A flaw was found in sudo. A heap-based buffer overflow was found in the way sudo parses command line arguments. This flaw is exploitable by any local user who can execute the sudo command by default, any local user can execute sudo without authentication. Successful exploitation of this flaw coul...

sudo: Heap buffer overflow in argument parsing

A flaw was found in sudo. A heap-based buffer overflow was found in the way sudo parses command line arguments. This flaw is exploitable by any local user who can execute the sudo command by default, any local user can execute sudo without authentication. Successful exploitation of this flaw coul...

Exploit for Improper Handling of Exceptional Conditions in Sudo_Project Sudo

PoC exploit for CVE-2019-14287, a vulnerability in Sudo before 1.8.28. The exploit targets the ability of an attacker with access to a Runas ALL sudoer account to bypass certain policy blacklists and session PAM modules, and cause incorrect logging, by invoking sudo with a crafted user ID. The...

Exploit for Off-by-one Error in Sudo_Project Sudo

This is a PoC exploit for CVE-2021-3156, a heap-based overflow vulnerability in sudo. The exploit is a C program that creates a shared library libnssX/P0PSH3LLZ.so.2 that overflows the heap when sudoedit is called. The exploit can be built using the provided Makefile and run using the...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-2021-3156 PoC Introduction This is an exploit for the...

sudo: Heap buffer overflow in argument parsing

A flaw was found in sudo. A heap-based buffer overflow was found in the way sudo parses command line arguments. This flaw is exploitable by any local user who can execute the sudo command by default, any local user can execute sudo without authentication. Successful exploitation of this flaw coul...

sudo: Heap buffer overflow in argument parsing

A flaw was found in sudo. A heap-based buffer overflow was found in the way sudo parses command line arguments. This flaw is exploitable by any local user who can execute the sudo command by default, any local user can execute sudo without authentication. Successful exploitation of this flaw coul...

CVE-2021-3156: Heap-Based Buffer Overflow in Sudo (Baron Samedit)

Update Feb 3, 2021: It has been reported that macOS, AIX, and Solaris are also vulnerable to CVE-2021-3156, and that others may also still be vulnerable. Qualys has not independently verified the exploit. Original Post: The Qualys Research Team has discovered a heap overflow vulnerability in sudo...

CVE-2021-3156 "Baron Samedit"

Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via “sudoedit -s” and a command-line argument that ends with a single backslash character. Recent assessments: cdelafuente-r7 at January 27, 2021 3:40pm UTC...

CVE-2021-3156

Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character...

CVE-2021-3156

Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character...

ALPINE-CVE-2021-23239

The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudoedit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path...

CVE-2021-23240

CVE-2021-23240 affects sudoedit in sudo prior to 1.9.5. An unprivileged local user can replace a temporary file with a symlink to an arbitrary target, enabling a file-ownership escalation attack. Impact is described for SELinux RBAC environments in permissive mode; machines without SELinux are no...

Sudo Backlink Vulnerability

Sudo is a program used on Unix-like systems that allows users to execute commands with special privileges in a secure manner. A backlink vulnerability exists in versions of sudo prior to 1.9.5, which can be exploited by an attacker to change the ownership of arbitrary files using sudoedit...