CVE-2017-8379

CVE-2017-8379 is a memory-leak issue in QEMU keyboard input event handling that can allow a local privileged guest user to exhaust host memory and cause a denial of service. The vulnerability is listed among fixes in Red Hat RHSA-2017:2408, which notes remediation by rebasing to QEMU 2.9.0 and re...

CVE-2017-8309

CVE-2017-8309 refers to a memory leak in QEMU’s audio subsystem (audio.c) that can be exploited remotely to cause a denial of service by repeatedly starting and stopping audio capture. The initial description explicitly states the issue and impact. Connected sources list the CVE in vendor advisor...

CVE-2017-9060

Memory leak in the virtiogpusetscanout function in hw/display/virtio-gpu.c in QEMU aka Quick Emulator allows local guest OS users to cause a denial of service memory consumption via a large number of "VIRTIOGPUCMDSETSCANOUT:" commands...

CVE-2017-7493

CVE-2017-7493 affects QEMU built with VirtFS 9pfs support where improper access control during access to virtfs metadata files in mapped-file security mode can allow a guest user to escalate privileges inside the guest. The description notes local access vector with a high-impact indication (C:H/...

[SECURITY] Fedora 25 Update: lxterminal-0.3.0-3.fc25

LXterminal is a VTE-based terminal emulator with support for multiple tabs. It is completely desktop-independent and does not have any unnecessary dependencies. In order to reduce memory usage and increase the performance all instances of the terminal are sharing a single process...

CVE-2017-7493

Quick Emulator Qemu built with the VirtFS, host directory sharing via Plan 9 File System9pfs support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges...

USN-3289-1: QEMU vulnerabilities

Li Qiang discovered that QEMU incorrectly handled VirtFS directory sharing. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2017-7377, CVE-2017-8086 Jiangxin discovered that QEMU incorrectly handled the Cirrus VGA device. A...

[SECURITY] Fedora 24 Update: qemu-2.6.2-8.fc24

QEMU is a generic and open source processor emulator which achieves a good emulation speed by using dynamic translation. QEMU has two operating modes: Full system emulation. In this mode, QEMU emulates a full system for example a PC, including a processor and various peripherials. It can be used ...

SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2017:1241-1)

This update for qemu fixes several issues. These security issues were fixed : - CVE-2017-2620: In CIRRUSBLTMODEMEMSYSSRC mode the bitblit copy routine cirrusbitbltcputovideo failed to check the memory region, allowing for an out-of-bounds write that allows for privilege escalation bsc1024972 -...

Debian DLA-935-1 : lxterminal security update

It was discovered that there was a local denial of service vulnerability in lxterminal, the terminal emulator for the LXDE desktop environment. This was caused by an insecure use of temporary files for a socket file. For Debian 7 'Wheezy', this issue has been fixed in lxterminal version...

Scientific Linux Security Update : qemu-kvm on SL6.x i386/x86_64 (20170509)

Security Fixes : - A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use...

Qemu: display: cirrus: OOB read access issue

An out-of-bounds access issue was found in QEMU's Cirrus CLGD 54xx VGA Emulator support. The vulnerability could occur while copying VGA data using bitblt functions for example, cirrusbitbltropfwdtransp. A privileged user inside a guest could use this flaw to crash the QEMU process, resulting in...

Qemu: cirrus: heap buffer overflow via vnc connection

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash...

Qemu: display: cirrus: OOB read access issue

An out-of-bounds access issue was found in QEMU's Cirrus CLGD 54xx VGA Emulator support. The vulnerability could occur while copying VGA data using bitblt functions for example, cirrusbitbltropfwdtransp. A privileged user inside a guest could use this flaw to crash the QEMU process, resulting in...

Qemu: VNC: memory corruption due to unchecked resolution limit

An out-of-bounds memory access issue was found in Quick Emulator QEMU in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vncrefreshserversurface'. A user inside a guest could use this flaw to crash the QEMU process...

Qemu: display: cirrus: OOB r/w access issues in bitblt routines

An out-of-bounds r/w access issue was found in QEMU's Cirrus CLGD 54xx VGA Emulator support. The vulnerability could occur while copying VGA data via various bitblt functions. A privileged user inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on...

RubyGems: Escape sequence injection in "summary" field

Seems we can include any escape sequence in the "summary" field of gemspec. This allows attackers to inject escape sequences to a victim's terminal emulator. How to attack 1 An attacker creates a gem with summary string that includes malicious escape sequences, and push it to rubygems.org. 2 A...

QEMU Denial of Service Vulnerability (CNVD-2017-06736)

QEMU is an open source emulator software. QEMU suffers from a denial of service vulnerability in the keyboard input event handler implementation, which can be exploited by an attacker to cause a denial of service...

UBUNTU-CVE-2017-8379

Memory leak in the keyboard input event handlers support in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service host memory consumption by rapidly generating large keyboard events...

EulerOS 2.0 SP1 : qemu-kvm (EulerOS-SA-2017-1079)

According to the version of the qemu-kvm package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support the issue could occur when a VNC client...