sudo: possible directory existence test due to race condition in sudoedit

A flaw was found in sudoedit. A race condition vulnerability and improper symbolic link resolution could be used by a local unprivileged user to test for the existence of directories and files not normally accessible to the user. This flaw cannot be used to read the content or write to arbitrary...

sudo: symbolic link attack in SELinux-enabled sudoedit

A race condition vulnerability was found in the temporary file handling of sudoedit's SELinux RBAC support. On systems where SELinux is enabled, this flaw allows a malicious user with sudoedit permissions to set the owner of an arbitrary file to the user ID of the target user, potentially leading...

SUSE: Security Advisory (SUSE-SU-2021:0232-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Exploit for Off-by-one Error in Sudo_Project Sudo

PoC exploit for CVE-2021-3156, a heap overflow vulnerability in sudoedit. The target product/service is sudoedit, a command-line utility for editing files with superuser privileges. The vulnerability class/vector is a heap overflow, which can lead to a privilege escalation LPE. The probable entry...

Exploit for Off-by-one Error in Sudo_Project Sudo

Título del Proyecto Generador de exploit para CVE-2021-3156 s...

USN-4705-1: Sudo vulnerabilities | Cloud Foundry

Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Description It was discovered that Sudo incorrectly handled memory when parsing command lines. A local attacker could possibly use this issue to obtain unintended access to the administrator...

Huawei EulerOS: Security Advisory for sudo (EulerOS-SA-2021-1173)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-2021-3156 Ansible role patches CVE-2021-3156 for Cent...

OPENSUSE-SU-2021:0170-1 Security update for sudo

This update for sudo fixes the following issues: - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 - It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...

OPENSUSE-SU-2021:0169-1 Security update for sudo

This update for sudo fixes the following issues: - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 - It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...

ALPINE-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...

USN-4705-1: Sudo vulnerabilities

It was discovered that Sudo incorrectly handled memory when parsing command lines. A local attacker could possibly use this issue to obtain unintended access to the administrator account. CVE-2021-3156 It was discovered that the Sudo sudoedit utility incorrectly handled checking directory...

USN-4705-1 sudo vulnerabilities

It was discovered that Sudo incorrectly handled memory when parsing command lines. A local attacker could possibly use this issue to obtain unintended access to the administrator account. CVE-2021-3156 It was discovered that the Sudo sudoedit utility incorrectly handled checking directory...

SUSE-SU-2021:0227-1 Security update for sudo

This update for sudo fixes the following issues: - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges bsc1181090,CVE-2021-3156 - It was possible for a user to test for the existence of a directory due to a Race Condition in sudoedit...

UBUNTU-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: Off-by-one Error

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 "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...

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

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selinux_edit_copy_tfiles in sudoedit in Sudo before 1.9.5 allows a local unprivileged user to gain file ownership and escalate privileges by replacing a temporary file with a symlink to an arbitrary file target. This affects SELinux RBAC support in permissive mode. Machines without SELinux are not vulnerable.

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Information Disclosure

sudo is vulnerable to information disclosure. The sudoedit personality allows a local unprivileged user to determine the existence of an arbitrary directory by winning a sudoedit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path...