CVE-2017-7506 Memory corruption in spice

High 8.8 Published Updated

An authenticated attacker can cause a crash or memory leak in the SPICE server via crafted messages, leading to denial of service or information disclosure.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-7506?

CVE-2017-7506 is a high-severity memory corruption vulnerability in The SPICE Project spice, published on 18 Jul 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

spice versions though 0.13 are vulnerable to out-of-bounds memory access when processing specially crafted messages from authenticated attacker to the spice server resulting into crash and/or server memory leak.

Weakness: CWE-119

Which versions are affected by CVE-2017-7506?

It affects 1 product.

Linux distribution packages (40)
spice-server Red Hat:enterprise_linux:6::clientAll versions0:0.12.4-16.el6_10.2
spice-server-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:0.12.4-16.el6_10.2
spice-server-devel Red Hat:enterprise_linux:6::clientAll versions0:0.12.4-16.el6_10.2
spice-server Red Hat:enterprise_linux:6::computenodeAll versions0:0.12.4-16.el6_10.2
spice-server-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:0.12.4-16.el6_10.2
spice-server-devel Red Hat:enterprise_linux:6::computenodeAll versions0:0.12.4-16.el6_10.2
spice-server Red Hat:enterprise_linux:6::serverAll versions0:0.12.4-16.el6_10.2
spice-server-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:0.12.4-16.el6_10.2
spice-server-devel Red Hat:enterprise_linux:6::serverAll versions0:0.12.4-16.el6_10.2
spice-server Red Hat:enterprise_linux:6::workstationAll versions0:0.12.4-16.el6_10.2
spice-server-debuginfo Red Hat:enterprise_linux:6::workstationAll versions0:0.12.4-16.el6_10.2
spice-server-devel Red Hat:enterprise_linux:6::workstationAll versions0:0.12.4-16.el6_10.2
spice Red Hat:enterprise_linux:7::clientAll versions0:0.12.8-2.el7.1
spice-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:0.12.8-2.el7.1
spice-server Red Hat:enterprise_linux:7::clientAll versions0:0.12.8-2.el7.1
spice-server-devel Red Hat:enterprise_linux:7::clientAll versions0:0.12.8-2.el7.1
spice Red Hat:enterprise_linux:7::computenodeAll versions0:0.12.8-2.el7.1
spice-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions0:0.12.8-2.el7.1
spice-server Red Hat:enterprise_linux:7::computenodeAll versions0:0.12.8-2.el7.1
spice-server-devel Red Hat:enterprise_linux:7::computenodeAll versions0:0.12.8-2.el7.1
imgbased Red Hat:enterprise_linux:7::hypervisorAll versions0:0.9.47-0.1.el7ev
ovirt-node-ng Red Hat:enterprise_linux:7::hypervisorAll versions0:4.1.5-0.20170810.0.el7
ovirt-node-ng-nodectl Red Hat:enterprise_linux:7::hypervisorAll versions0:4.1.5-0.20170810.0.el7
redhat-release-virtualization-host Red Hat:enterprise_linux:7::hypervisorAll versions0:4.1-5.0.el7
redhat-virtualization-host Red Hat:enterprise_linux:7::hypervisorAll versions0:4.1-20170816.2.el7_4
redhat-virtualization-host-image-update Red Hat:enterprise_linux:7::hypervisorAll versions0:4.1-20170816.2.el7_4
redhat-virtualization-host-image-update-placeholder Red Hat:enterprise_linux:7::hypervisorAll versions0:4.1-5.0.el7
spice Red Hat:enterprise_linux:7::serverAll versions0:0.12.8-2.el7.1
spice-debuginfo Red Hat:enterprise_linux:7::serverAll versions0:0.12.8-2.el7.1
spice-server Red Hat:enterprise_linux:7::serverAll versions0:0.12.8-2.el7.1
spice-server-devel Red Hat:enterprise_linux:7::serverAll versions0:0.12.8-2.el7.1
spice Red Hat:enterprise_linux:7::workstationAll versions0:0.12.8-2.el7.1
spice-debuginfo Red Hat:enterprise_linux:7::workstationAll versions0:0.12.8-2.el7.1
spice-server Red Hat:enterprise_linux:7::workstationAll versions0:0.12.8-2.el7.1
spice-server-devel Red Hat:enterprise_linux:7::workstationAll versions0:0.12.8-2.el7.1
spice SUSE:Linux Enterprise Desktop 12 SP2All versions0.12.7-10.3.1
spice SUSE:Linux Enterprise Desktop 12 SP3All versions0.12.8-3.9
spice SUSE:Linux Enterprise Server 11 SP4All versions0.12.4-11.1
spice SUSE:Linux Enterprise Server 12 SP1-LTSSAll versions0.12.5-10.1
spice SUSE:Linux Enterprise Server 12 SP2All versions0.12.7-10.3.1

Products include Spice Project Spice.

How do I fix CVE-2017-7506?

Apply the vendor's patch.

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

Is CVE-2017-7506 being exploited?

There is no known exploitation of CVE-2017-7506 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2017-7506, DEBIAN-CVE-2017-7506, DSA-3907-1, GHSA-3pjw-h9v6-f5x8, MGASA-2017-0239, RHBA-2017:2529 and 9 more.

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