UBUNTU-CVE-2020-25708

A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service...

QEMU: vnc: memory leakage upon disconnect

A memory leakage flaw was found in the way the VNC display driver of QEMU handled the connection disconnect when ZRLE and Tight encoding are enabled. Two VncState objects are created, and one allocates memory for the Zlib's data object. This allocated memory is not freed upon disconnection,...

Huawei EulerOS: Security Advisory for gtk-vnc (EulerOS-SA-2020-2010)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Updated novnc package fixes a security vulnerability

An XSS vulnerability was discovered in noVNC before 0.6.2 in which the remote VNC server could inject arbitrary HTML into the noVNC web page via the messages propagated to the status field, such as the VNC server name. CVE-2017-18635...

MGASA-2020-0374 Updated novnc package fixes a security vulnerability

An XSS vulnerability was discovered in noVNC before 0.6.2 in which the remote VNC server could inject arbitrary HTML into the noVNC web page via the messages propagated to the status field, such as the VNC server name. CVE-2017-18635...

USN-4522-1 novnc vulnerability

It was discovered that noVNC did not properly manage certain messages, resulting in the remote VNC server injecting arbitrary HTML into the noVNC web page. An attacker could use this issue to conduct cross-site scripting XSS attacks. CVE-2017-18635...

Ubuntu 16.04 LTS : noVNC vulnerability (USN-4522-1)

The remote Ubuntu 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4522-1 advisory. It was discovered that noVNC did not properly manage certain messages, resulting in the remote VNC server injecting arbitrary HTML into the noVNC web page. An...

Huawei EulerOS: Security Advisory for libvncserver (EulerOS-SA-2020-1866)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

GHSA-49RV-G7W5-M8XX Cross-Site Scripting in @novnc/novnc

Versions of @novnc/novnc prior to 0.6.2 are vulnerable to Cross-Site Scripting XSS. The package fails to validate input from the remote VNC server such as the VNC server name. This allows an attacker in control of the remote server to execute arbitrary JavaScript in the noVNC web page. It affects...

Important: libvncserver security update

LibVNCServer is a C library that enables you to implement VNC server functionality into own programs. Security Fixes: libvncserver: websocket decoding buffer overflow CVE-2017-18922 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related...

Important: Red Hat Security Advisory: libvncserver security update

An update for libvncserver is now available for Red Hat Enterprise Linux 7. 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 each vulnerability...

The vulnerability of the component libvncserver/hextile.c in the cross-platform library LibVNCServer allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the libvncserver/hextile.c component of the cross-platform library LibVNCServer arises from an operation that occurs outside the buffer boundaries in memory. Exploiting this vulnerability allows a malicious actor to compromise the confidentiality, integrity, and accessibility...

LibVNCServer Buffer Overflow Vulnerability (CNVD-2020-36780)

LibVNCServer is a cross-platform C library that supports the implementation of VNC Virtual Network Computing server or client functionality in programs. A buffer overflow vulnerability exists in the libvncclient/sockets.c file in versions of LibVNCServer prior to 0.9.13. A remote attacker could...

LibVNCServer Information Disclosure Vulnerability

LibVNCServer is a cross-platform C library that supports the implementation of VNC Virtual Network Computing server or client functionality in programs. A security vulnerability exists in the 'ConnectToRFBRepeater' function in the libvncclient/rfbproto.c file in versions of LibVNCServer prior to...

UBUNTU-CVE-2020-14399

An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed...

The vulnerability of the VNC Server component of the remote desktop management software UltraVNC, which is part of the monitoring, control, and remote maintenance module for the commercial cold production equipment of TelevisGo, allows a perpetrator to execute arbitrary code.

The vulnerability of the VNC Server component of the remote desktop management software UltraVNC, which is part of the monitoring, control, and remote maintenance module for the commercial cold production system TelevisGo, is related to a buffer overflow in the request-to-file transfer handler...

Man-in-the-Middle (MitM)

tigervnc is vulnerable to man-in-the-middle MitM. The vulnerability exists as it was discovered that vncviewer could prompt for and send authentication credentials to a remote server without first properly validating the server's X.509 certificate. As vncviewer did not indicate that the certifica...

Information Disclosure

xen is vulnerable to information disclosure. A flaw was found affecting the VNC server code in QEMU. On a fullyvirtualized guest VM, where qemu monitor mode is enabled, a user who had access to the VNC server could gain the ability to read arbitrary files as root in the host filesystem...

Important: Red Hat Security Advisory: libvncserver security update

An update for libvncserver is now available for Red Hat Enterprise Linux 7. 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 each vulnerability...

novnc: XSS vulnerability via the messages propagated to the status field

An XSS vulnerability was discovered in noVNC in which arbitrary HTML could be injected into the noVNC web page. An attacker having access to a VNC server could use target host values in a crafted URL to gain access to secure information such as VM tokens...