QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service

A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous connection happens to be in the handshake phase and fails, QE...

RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2024:0404)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0404 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contai...

[SECURITY] Fedora 39 Update: tigervnc-1.13.1-11.fc39

Virtual Network Computing VNC is a remote display system which allows you to view a computing 'desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. This package contains a client which will allow you ...

Fedora: Security Advisory for tigervnc (FEDORA-2024-5762d637dd)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

NULL Pointer Dereference

QEMU built-in VNC server is vulnerable to NULL Pointer Dereference. The vulnerability is caused due to qemuclipboardrequest function can be reached before vncservercuttextcaps function is called and had the chance to initialize the clipboard peer. This can lead to NULL pointer dereference allowin...

SUSE CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

Fedora: Security Advisory for tigervnc (FEDORA-2023-ec02e360af)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

Dell iDRAC9 Improper Authentication (CVE-2022-24422)

Dell iDRAC9 versions 5.00.00.00 and later but prior to 5.10.10.00, contain an improper authentication vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability to gain access to the VNC Console. This plugin only works with Tenable.ot. Please visit...

EulerOS 2.0 SP10 : qemu-micro (EulerOS-SA-2023-3193)

According to the versions of the qemu-micro package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtiocryptohandlesymreq. There is n...

EulerOS Virtualization 2.10.1 : qemu (EulerOS-SA-2023-2929)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the 9p passthrough filesystem 9pfs implementation in QEMU. The 9pfs server did not prohibit opening special file...

EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2023-2999)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the 9p passthrough filesystem 9pfs implementation in QEMU. The 9pfs server did not prohibit opening special file...

EulerOS 2.0 SP8 : qemu (EulerOS-SA-2023-3153)

According to the versions of the qemu package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections...

EulerOS 2.0 SP9 : qemu (EulerOS-SA-2023-2887)

According to the versions of the qemu package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands whe...

EulerOS 2.0 SP9 : qemu (EulerOS-SA-2023-2906)

According to the versions of the qemu package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands whe...

EulerOS Virtualization 2.11.1 : qemu (EulerOS-SA-2023-3064)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the 9p passthrough filesystem 9pfs implementation in QEMU. The 9pfs server did not prohibit opening special file...

EulerOS Virtualization 2.10.0 : qemu (EulerOS-SA-2023-2948)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the 9p passthrough filesystem 9pfs implementation in QEMU. The 9pfs server did not prohibit opening special file...

EulerOS Virtualization 2.11.0 : qemu (EulerOS-SA-2023-3082)

According to the versions of the qemu package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the 9p passthrough filesystem 9pfs implementation in QEMU. The 9pfs server did not prohibit opening special file...

EulerOS 2.0 SP10 : qemu-micro (EulerOS-SA-2023-3228)

According to the versions of the qemu-micro package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtiocryptohandlesymreq. There is n...

CVE-2023-6683

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...

AZL-43054 CVE-2023-6683 affecting package qemu for versions less than 8.2.0-13

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemuclipboardrequest function can be reached before vncservercuttextcaps was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a maliciou...