VMware ESXi OpenSLP Heap Overflow

!/usr/bin/python3 CVE-2021-21974 PoC Exploit By: Johnny Yu @staightblast Tested against: 1 VMware ESXi 6.7.0 build-14320388 ; VMware ESXi 6.7.0 Update 3 2 VMware ESXi 6.7.0 build-16316930 ; VMware ESXi 6.7.0 Update 3 import sys import time import trace import queue import struct import socket...

Ubuntu: Security Advisory (USN-4919-1)

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...

Ubuntu 16.04 LTS : OpenSLP vulnerability (USN-4919-1)

The remote Ubuntu 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4919-1 advisory. It was discovered that OpenSLP did not properly validate URLs. A remote attacker could use this issue to cause OpenSLP to crash or possibly execute arbitrary code...

USN-4919-1 openslp-dfsg vulnerability

It was discovered that OpenSLP did not properly validate URLs. A remote attacker could use this issue to cause OpenSLP to crash or possibly execute arbitrary code...

USN-4919-1: OpenSLP vulnerability

It was discovered that OpenSLP did not properly validate URLs. A remote attacker could use this issue to cause OpenSLP to crash or possibly execute arbitrary code...

SUSE: Security Advisory (SUSE-SU-2018:2991-1)

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...

SUSE: Security Advisory (SUSE-SU-2018:2779-1)

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...

SUSE: Security Advisory (SUSE-SU-2018:2779-2)

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...

SUSE: Security Advisory (SUSE-SU-2016:2661-1)

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...

SUSE: Security Advisory (SUSE-SU-2018:0100-1)

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...

SUSE: Security Advisory (SUSE-SU-2018:2991-2)

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...

SUSE: Security Advisory (SUSE-SU-2016:2397-1)

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...

ESXi 6.5 / 6.7 / 7.0 RCE (VMSA-2021-0002)

The remote VMware ESXi host is version 6.5, 6.7 or 7.0 and is affected by a remote code execution vulnerability. OpenSLP as used in ESXi 7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG has a heap-overflow vulnerability. A malicious actor residing...

VMware vCenter Server CVE-2021-21972 Remote Code Execution Vulnerability: What You Need to Know

This blog post was co-authored by Bob Rudis and Caitlin Condon. What’s up? On Feb. 23, 2021, VMware published an advisory VMSA-2021-0002 describing three weaknesses affecting VMware ESXi, VMware vCenter Server, and VMware Cloud Foundation. Before digging into the individual vulnerabilities, it is...

CVE-2021-21974

OpenSLP as used in ESXi 7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue i...

Heap overflow

OpenSLP as used in ESXi 7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue i...

CVE-2021-21974

OpenSLP as used in ESXi 7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue i...

CVE-2021-21974

OpenSLP as used in ESXi 7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue i...

CVE-2021-21974

CVE-2021-21974 is a heap-based overflow in VMware ESXi’s OpenSLP service that can enable remote code execution when an attacker on the same network segment can reach port 427. Affected releases include ESXi 7.x (before ESXi70U1c-17325551), ESXi 6.7 (before 202102401-SG), and ES6.5 (before 2021021...

Critical RCE Flaws Affect VMware ESXi and vSphere Client — Patch Now

VMware has addressed multiple critical remote code execution RCE vulnerabilities in VMware ESXi and vSphere Client virtual infrastructure management platform that may allow attackers to execute arbitrary commands and take control of affected systems. "A malicious actor with network access to port...