[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...

Oracle Linux 7 : qemu-kvm (ELSA-2020-3906)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-3906 advisory. - Resolves: bz1810408 CVE-2019-20382 qemu-kvm: QEMU: vnc: memory leakage upon disconnect rhel-7 - Resolves: bz1800515 CVE-2020-8608 qemu-kvm: QEMU:...

qemu-kvm security, bug fix, and enhancement update

1.5.3-175.el7 - kvm-vnc-fix-memory-leak-when-vnc-disconnect.patch bz1810408 - Resolves: bz1810408 CVE-2019-20382 qemu-kvm: QEMU: vnc: memory leakage upon disconnect rhel-7 1.5.3-174.el7 - kvm-util-add-slirpfmt-helpers2.patch bz1800515 - kvm-tcpemu-fix-unsafe-snprintf-usages2.patch bz1800515 -...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 13 Queens. 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...

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,...

RHEL 7 : qemu-kvm-rhev (RHSA-2020:4167)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4167 advisory. KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provi...

Remote Code Execution (RCE)

Virtual Network Computing VNC is vulnerable to remote code execution RCE. It can happen due to stack buffer overflow in CMsgReader::readSetCursor...

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,...

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,...

Low: Red Hat Security Advisory: qemu-kvm-ma security update

An update for qemu-kvm-ma 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 rating, is available for each vulnerability from the...