Qemu: Out-of-bounds read in vga_draw_text routine

An out-of-bounds read access issue was found in the VGA emulator of QEMU. It could occur in vgadrawtext routine, while updating display area for a vnc client. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS...

CVE-2017-7471

Quick Emulator Qemu built with the VirtFS, host directory sharing via Plan 9 File System 9pfs support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system...

Improper access control

Quick Emulator Qemu built with the VirtFS, host directory sharing via Plan 9 File System 9pfs support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system...

CVE-2017-7471

Quick Emulator Qemu built with the VirtFS, host directory sharing via Plan 9 File System 9pfs support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system...

CVE-2017-7471

Quick Emulator Qemu built with the VirtFS, host directory sharing via Plan 9 File System 9pfs support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system...

CVE-2017-7471

CVE-2017-7471 : QEMU with 9pfs host-directory sharing has an improper access-control flaw that lets a privileged guest user access host filesystem beyond the shared folder and potentially escalate privileges on the host; connected advisories indicate this CVE is tracked in multiple Oracle Linux Q...

[SECURITY] Fedora 27 Update: qemu-2.10.1-4.fc27

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 ...

CVE-2017-2615

Quick emulator QEMU built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or...

Out-of-bounds

Quick emulator QEMU built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or...

CVE-2017-2615

The CVE-2017-2615 issue affects QEMU’s Cirrus CLGD 54xx VGA emulator support. The vulnerability is an out-of-bounds access during VGA data copying via bitblt in backward mode, which could allow a privileged guest user to crash the QEMU process and potentially execute arbitrary host code with QEMU...

CVE-2017-2615

Quick emulator QEMU built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or...

CVE-2017-2615

Quick emulator QEMU built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or...

Analysis antivirus BitDefender integer overflow vulnerabilities Part II--exploit-vulnerability warning-the black bar safety net

Our last article reviewed from Pagefault submitted content, detailed description of the Bitdefender antivirus product of the integer overflow problem. Although only rely on the content of these is sufficient to the supplier to submit a bug report, but the Pagefault by providing a...

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

An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 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...

A week in security (June 18 – June 24)

Last week, we took a deep dive into SamSam ransomware, looked at ways how to identify and delete malicious emails, recognized that there are now risks affecting job recruitment portals, analyzed a malicious Android app banking on the popularity of Fortnite, and identified causes and solutions for...

[SECURITY] Fedora 28 Update: qemu-2.11.1-3.fc28

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 ...

Important: qemu-kvm

Issue Overview: An out-of-bounds read access issue was found in the VGA display emulator built into the Quick emulator QEMU. It could occur while reading VGA memory to update graphics display. A privileged user/process inside guest could use this flaw to crash the QEMU process on the host resulti...

QEMU: cirrus: OOB access when updating VGA display

Quick Emulator aka QEMU, when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service out-of-bounds access and QEMU process crash by leveraging incorrect region calculation when updating VGA display...

QEMU: cirrus: OOB access when updating VGA display

Quick Emulator aka QEMU, when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service out-of-bounds access and QEMU process crash by leveraging incorrect region calculation when updating VGA display...

QEMU: cirrus: OOB access when updating VGA display

Quick Emulator aka QEMU, when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service out-of-bounds access and QEMU process crash by leveraging incorrect region calculation when updating VGA display...