CVE-2015-5225 Memory corruption in n/a

High 7.2 Published Updated

A buffer overflow in QEMU's VNC driver allows guest users to crash the host or execute arbitrary code on the host system.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2015-5225?

CVE-2015-5225 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 6 Nov 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a denial of service (heap memory corruption and process crash) or possibly execute arbitrary code on the host via unspecified vectors, related to refreshing the server display surface.

Weakness: CWE-119

Which versions are affected by CVE-2015-5225?

It affects 3 products.

Linux distribution packages (31)
libcacard-devel-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.1.2-23.el7_1.9
libcacard-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.1.2-23.el7_1.9
libcacard-tools-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.1.2-23.el7_1.9
qemu-img-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.1.2-23.el7_1.9
qemu-kvm-common-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.1.2-23.el7_1.9
qemu-kvm-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.1.2-23.el7_1.9
qemu-kvm-rhev-debuginfo Red Hat:enterprise_linux:7::hypervisorAll versions10:2.1.2-23.el7_1.9
qemu-kvm-tools-rhev Red Hat:enterprise_linux:7::hypervisorAll versions10:2.1.2-23.el7_1.9
libcacard-devel-rhev Red Hat:openstack:5::el7All versions10:2.1.2-23.el7_1.9
libcacard-rhev Red Hat:openstack:5::el7All versions10:2.1.2-23.el7_1.9
libcacard-tools-rhev Red Hat:openstack:5::el7All versions10:2.1.2-23.el7_1.9
qemu-img-rhev Red Hat:openstack:5::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-common-rhev Red Hat:openstack:5::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-rhev Red Hat:openstack:5::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-rhev-debuginfo Red Hat:openstack:5::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-tools-rhev Red Hat:openstack:5::el7All versions10:2.1.2-23.el7_1.9
libcacard-devel-rhev Red Hat:openstack:6::el7All versions10:2.1.2-23.el7_1.9
libcacard-rhev Red Hat:openstack:6::el7All versions10:2.1.2-23.el7_1.9
libcacard-tools-rhev Red Hat:openstack:6::el7All versions10:2.1.2-23.el7_1.9
qemu-img-rhev Red Hat:openstack:6::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-common-rhev Red Hat:openstack:6::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-rhev Red Hat:openstack:6::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-rhev-debuginfo Red Hat:openstack:6::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-tools-rhev Red Hat:openstack:6::el7All versions10:2.1.2-23.el7_1.9
libcacard-rhev Red Hat:openstack:7::el7All versions10:2.1.2-23.el7_1.9
libcacard-tools-rhev Red Hat:openstack:7::el7All versions10:2.1.2-23.el7_1.9
qemu-img-rhev Red Hat:openstack:7::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-common-rhev Red Hat:openstack:7::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-rhev Red Hat:openstack:7::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-rhev-debuginfo Red Hat:openstack:7::el7All versions10:2.1.2-23.el7_1.9
qemu-kvm-tools-rhev Red Hat:openstack:7::el7All versions10:2.1.2-23.el7_1.9

Products include Fedoraproject Fedora, Qemu Qemu, Redhat Openstack.

How do I fix CVE-2015-5225?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2015-5225 being exploited?

There is no known exploitation of CVE-2015-5225 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-5225, GHSA-xf7r-x3p2-rg72, RHSA-2015:1772, RHSA-2015:1837.

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