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CVE-2017-10664

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-3414-2
Posted Sep 20, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3414-2 - USN-3414-1 fixed vulnerabilities in QEMU. The patch backport for CVE-2017-9375 was incomplete and caused a regression in the USB xHCI controller emulation support. This update fixes the problem. Leo Gaspard discovered that QEMU incorrectly handled VirtFS access control. A guest attacker could use this issue to elevate privileges inside the guest. Li Qiang discovered that QEMU incorrectly handled VMWare PVSCSI emulation. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources or crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-10664, CVE-2017-10806, CVE-2017-10911, CVE-2017-11434, CVE-2017-12809, CVE-2017-7493, CVE-2017-8112, CVE-2017-8380, CVE-2017-9060, CVE-2017-9310, CVE-2017-9330, CVE-2017-9373, CVE-2017-9374, CVE-2017-9375, CVE-2017-9503, CVE-2017-9524
MD5 | 92172bfdd6366a35c975fa4e430d2218
Ubuntu Security Notice USN-3414-1
Posted Sep 14, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3414-1 - Leo Gaspard discovered that QEMU incorrectly handled VirtFS access control. A guest attacker could use this issue to elevate privileges inside the guest. Li Qiang discovered that QEMU incorrectly handled VMWare PVSCSI emulation. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources or crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2017-10664, CVE-2017-10806, CVE-2017-10911, CVE-2017-11434, CVE-2017-12809, CVE-2017-7493, CVE-2017-8112, CVE-2017-8380, CVE-2017-9060, CVE-2017-9310, CVE-2017-9330, CVE-2017-9373, CVE-2017-9374, CVE-2017-9375, CVE-2017-9503, CVE-2017-9524
MD5 | 0392d6964c9f9ee67e40b47efe84d6b0
Red Hat Security Advisory 2017-2445-01
Posted Aug 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2445-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fix: Quick Emulator built with the Network Block Device 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 server resulting in a DoS.

tags | advisory, remote, kernel
systems | linux, redhat
advisories | CVE-2017-10664
MD5 | 43bb53d12066e56d74c119ad177111c2
Red Hat Security Advisory 2017-2390-01
Posted Aug 2, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2390-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick Emulator built with the Network Block Device 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 server resulting in a DoS.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2017-10664
MD5 | 8aab5ea1f68a65768fc18c83c87fde07
Debian Security Advisory 3920-1
Posted Jul 26, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3920-1 - Multiple vulnerabilities were found in in qemu, a fast processor emulator.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2017-10664, CVE-2017-10911, CVE-2017-9310, CVE-2017-9330, CVE-2017-9373, CVE-2017-9374, CVE-2017-9375, CVE-2017-9524
MD5 | f120933ef91a131b7138486880a5c7c8
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