QEMU 'b/nbd/server.c' Denial of Service Vulnerability

QEMU aka Quick Emulator is a set of simulation processor software developed by French programmer Fabrice Bellard. The software is fast and cross-platform. A denial of service vulnerability exists in QEMU 'b/nbd/server.c'. An attacker can exploit the vulnerability to cause a denial of service...

CVE-2017-15119

The Network Block Device NBD server in Quick Emulator QEMU before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from...

UBUNTU-CVE-2017-15119

The Network Block Device NBD server in Quick Emulator QEMU before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from...

Qemu: qemu-nbd crashes due to undefined I/O coroutine

An assertion-failure flaw was found in the Network Block Device NBD server's initial connection negotiation, where the I/O coroutine was undefined. This could crash the qemu-nbd server if a client sent unexpected data during connection negotiation. A remote user or process could use this flaw to...

Moderate: Red Hat Security Advisory: qemu-kvm security update

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 Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort

Quick Emulator QEMU built with the Network Block Device NBD Server support is vulnerable to a crash via a SIGPIPE signal. The crash can occur if a client aborts a connection due to any failure during negotiation or read operation. A remote user/process could use this flaw to crash the qemu-nbd...

Qemu: nbd: segmentation fault due to client non-negotiation

Quick Emulator QEMU built with Network Block Device NBD Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client that was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server...

Qemu: nbd: oob stack write in client routine drop_sync

A stack buffer overflow flaw was found in the Quick Emulator QEMU built with the Network Block Device NBD client support. The flaw could occur while processing server's response to a 'NBDOPTLIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or...

Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort

Quick Emulator QEMU built with the Network Block Device NBD Server support is vulnerable to a crash via a SIGPIPE signal. The crash can occur if a client aborts a connection due to any failure during negotiation or read operation. A remote user/process could use this flaw to crash the qemu-nbd...

PT-2017-3734 · Qemu +1 · Qemu +2

Name of the Vulnerable Software and Affected Versions: Qemu versions prior to 2.10.1 Qemu-NBD affected versions not specified Description: The issue is related to errors during connection establishment in the Qemu-NBD hardware emulator server. It can be exploited by a remote attacker to cause a...

QEMU nbd_negotiate function denial of service vulnerability

QEMU is an open source emulator software. A security vulnerability exists in the qemu-nbd server support NBD service system in QEMU due to a failure to ensure initialization prior to interacting with the client in the nbdnegotiate function, which allows remote attackers to exploit the vulnerabili...

CentOS Update for qemu-img CESA-2017:1681 centos7

Check the version of qemu-img SPDX-FileCopyrightText: 2017 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 scriptoid"1.3.6.1.4.1.25623.1.0.882749";...

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

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 Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Qemu: nbd: segmentation fault due to client non-negotiation

Quick Emulator QEMU built with Network Block Device NBD Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client that was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server...

QEMU 'nbd/client.c' Stack Buffer Overflow Vulnerability

QEMU aka Quick Emulator is a suite of analog processor software developed by French programmer Fabrice Bellard. QEMU suffers from a stack buffer overflow vulnerability that arises from the program's failure to perform sufficient boundary checks on user-supplied data before copying it to an...

CVE-2017-2630

A stack buffer overflow flaw was found in the Quick Emulator QEMU built with the Network Block Device NBD client support. The flaw could occur while processing server's response to a 'NBDOPTLIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or...

Vulnerabilities in the Debian GNU/Linux operating system that allow a remote attacker to compromise the confidentiality, integrity, and accessibility of protected information

The multiple vulnerabilities in the nbd package of the Debian GNU/Linux operating system may lead to breaches of the confidentiality, integrity, and accessibility of protected information. These vulnerabilities can be exploited remotely...

[SECURITY] Fedora 22 Update: nbd-3.11-1.fc22

Tools for the Linux Kernel's network block device, allowing you to use remote block devices over a TCP/IP network...

[SECURITY] Fedora 21 Update: nbd-3.11-1.fc21

Tools for the Linux Kernel's network block device, allowing you to use remote block devices over a TCP/IP network...

USN-2676-1 nbd vulnerabilities

It was discovered that NBD incorrectly handled IP address matching. A remote attacker could use this issue with an IP address that has a partial match and bypass access restrictions. This issue only affected Ubuntu 12.04 LTS. CVE-2013-6410 Tuomas Räsänen discovered that NBD incorrectly handled...