Sudo Heap-Based Buffer Overflow

Qualys Security Advisory Baron Samedit: Heap-based buffer overflow in Sudo CVE-2021-3156 ======================================================================== Contents ======================================================================== Summary Analysis Exploitation Acknowledgments Timelin...

Debian: Security Advisory (DLA-2534-1)

The remote host is missing an update for the Debian 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...

CentOS: Security Advisory for sudo (CESA-2021:0221)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

GLSA-202101-33 : sudo: Multiple vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202101-33 sudo: Multiple vulnerabilities Multiple vulnerabilities have been discovered in sudo. Please review the CVE identifiers referenced below for details. Impact : Local users are able to gain unauthorized privileges on the...

Oracle Linux 8 : sudo (ELSA-2021-0218)

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2021-0218 advisory. 1.8.29-6.1 - RHEL 8.3.Z ERRATUM - CVE-2021-3156 Resolves: rhbz1917732 Tenable has extracted the preceding description block directly from the Oracle Linux...

[slackware-security] sudo

New sudo packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues. Here are the details from the Slackware 14.2 ChangeLog: patches/packages/sudo-1.9.5p2-i586-1slack14.2.txz: Upgraded. When invoked as sudoedit, the same set of command line options are now accepted...

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...

Important: Red Hat Security Advisory: sudo security update

An update for sudo is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: sudo security update

An update for sudo is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

Important: Red Hat Security Advisory: sudo security update

An update for sudo is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

CVE-2021-3156

creationtimestamp| type| source ---|---|--- 2021-01-26 19:30:14+00:00| published-proof-of-concept| https://t.me/techb0ltGenona/2423 2021-01-27 00:36:47+00:00| seen| https://t.me/cibsecurity/22691 2021-01-27 05:27:10+00:00| published-proof-of-concept| https://t.me/cKure/3799 2021-01-27...

Important: sudo security update

The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root. Security Fixes: sudo: Heap buffer overflow in argument parsin...

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...

[SECURITY] [DLA 2534-1] sudo security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-2534-1 [email protected] https://www.debian.org/lts/security/ Salvatore Bonaccorso January 26, 2021 https://wiki.debian.org/LTS -...

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...

[SECURITY] [DSA 4839-1] sudo security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4839-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso January 26, 2021 https://www.debian.org/security/faq -...

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

CVE-2021-3156 is a heap-based buffer overflow in sudo that enables privilege escalation to root. The issue arises in the argument parsing path and is exploitable via commands using sudoedit -s with a trailing backslash, leading to memory corruption. Affected release information in the provided do...

Important: sudo

Issue Overview: When sudo runs a command in shell mode, either via the -s or -i command line option, it escapes special characters in the command's arguments with a backslash. The sudoers policy plugin will then remove the escape characters from the arguments before evaluating the sudoers policy...