CentOS 8 : virt:rhel (CESA-2020:2774)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:2774 advisory. - QEMU: vnc: memory leakage upon disconnect CVE-2019-20382 - QEMU: Slirp: potential OOB access due to unsafe snprintf usages CVE-2020-8608 Note that...

Fedora: Security Advisory for guacamole-server (FEDORA-2020-bfde0ab889)

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...

Fedora: Security Advisory for guacamole-server (FEDORA-2020-640645e518)

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...

[SECURITY] Fedora 32 Update: guacamole-server-1.2.0-3.fc32

Guacamole is an HTML5 remote desktop gateway. Guacamole provides access to desktop environments using remote desktop prot ocols like VNC and RDP. A centralized server acts as a tunnel and proxy, allowing access to multiple desktops through a web browser. No browser plugins are needed, and no clie...

[SECURITY] Fedora 33 Update: guacamole-server-1.2.0-3.fc33

Guacamole is an HTML5 remote desktop gateway. Guacamole provides access to desktop environments using remote desktop prot ocols like VNC and RDP. A centralized server acts as a tunnel and proxy, allowing access to multiple desktops through a web browser. No browser plugins are needed, and no clie...

Debian: Security Advisory (DLA-2490-1)

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

Debian DLA-2490-1 : x11vnc security update

Guenal Davalan reported a flaw in x11vnc, a VNC server to allow remote access to an existing X session. x11vnc creates shared memory segments with 0777 mode. A local attacker can take advantage of this flaw for information disclosure, denial of service or interfering with the VNC session of anoth...

Debian DSA-4799-1 : x11vnc - security update

Guenal Davalan reported a flaw in x11vnc, a VNC server to allow remote access to an existing X session. x11vnc creates shared memory segments with 0777 mode. A local attacker can take advantage of this flaw for information disclosure, denial of service or interfering with the VNC session of anoth...

Debian: Security Advisory (DSA-4799-1)

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

[SECURITY] [DSA 4799-1] x11vnc security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4799-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso November 28, 2020 https://www.debian.org/security/faq -...

DEBIAN-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...

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...

Libvnc X11vnc Security Vulnerabilities

Libvnc X11vnc is a software for Unix platforms used to connect to remote desktops by the Libvnc community. A security vulnerability exists in x11vnc version 0.9.16, which stems from scan.c's use of IPC CREAT|0777 in the shmget call, which allows access by participants other than the current user...

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...

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...

Important: qemu

Issue Overview: 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...

NICER Protocol Deep Dive: Internet Exposure of Citrix ADC/NetScaler

Welcome to the NICER Protocol Deep Dive blog series! When we started researching what all was out on the internet way back in January, we had no idea we'd end up with a hefty, 137-page tome of a research report. The sheer length of such a thing might put off folks who might otherwise learn a thin...

qemu security update

CentOS Errata and Security Advisory CESA-2020:3906 An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

CentOS 7 : qemu-kvm (RHSA-2020:3906)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3906 advisory. - qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service guest crash by leveraging mishandling of the seccomp policy for...

NICER Protocol Deep Dive: Internet Exposure of VNC

Welcome to the NICER Protocol Deep Dive blog series! When we started researching what all was out on the internet way back in January, we had no idea we'd end up with a hefty, 137-page tome of a research report. The sheer length of such a thing might put off folks who might otherwise learn a thin...