CVE-2017-10664 Denial of service in n/a

High 7.5 Published Updated

Remote attackers can crash the qemu-nbd daemon by disconnecting during a reply, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-10664?

CVE-2017-10664 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 2 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

qemu-nbd in QEMU (aka Quick Emulator) does not ignore SIGPIPE, which allows remote attackers to cause a denial of service (daemon crash) by disconnecting during a server-to-client reply attempt.

Which versions are affected by CVE-2017-10664?

It affects 10 products.

Linux distribution packages (25)
qemu-img Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-141.el7_4.1
qemu-kvm Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-141.el7_4.1
qemu-kvm-common Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-141.el7_4.1
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-141.el7_4.1
qemu-kvm-tools Red Hat:enterprise_linux:7::clientAll versions10:1.5.3-141.el7_4.1
qemu-img Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-141.el7_4.1
qemu-kvm Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-141.el7_4.1
qemu-kvm-common Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-141.el7_4.1
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-141.el7_4.1
qemu-kvm-tools Red Hat:enterprise_linux:7::computenodeAll versions10:1.5.3-141.el7_4.1
qemu-img-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.9.0-16.el7_4.3
qemu-kvm-common-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.9.0-16.el7_4.3
qemu-kvm-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.9.0-16.el7_4.3
qemu-kvm-rhev-debuginfo Red Hat:enterprise_linux:7::hypervisorAll versions10:2.9.0-16.el7_4.3
qemu-kvm-tools-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.9.0-16.el7_4.3
qemu-img Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-141.el7_4.1
qemu-kvm Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-141.el7_4.1
qemu-kvm-common Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-141.el7_4.1
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-141.el7_4.1
qemu-kvm-tools Red Hat:enterprise_linux:7::serverAll versions10:1.5.3-141.el7_4.1
qemu-img Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-141.el7_4.1
qemu-kvm Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-141.el7_4.1
qemu-kvm-common Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-141.el7_4.1
qemu-kvm-debuginfo Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-141.el7_4.1
qemu-kvm-tools Red Hat:enterprise_linux:7::workstationAll versions10:1.5.3-141.el7_4.1

Products include Debian Debian Linux, Qemu Qemu, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 4 more.

How do I fix CVE-2017-10664?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-10664 being exploited?

There is no known exploitation of CVE-2017-10664 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-10664, GHSA-79rh-2xp8-h9rm, RHSA-2017:2390, RHSA-2017:2445, UBUNTU-CVE-2017-10664.

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