CVE-2014-7968 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service in VDSM by keeping SSL connections open, blocking legitimate connections.

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

What is CVE-2014-7968?

CVE-2014-7968 is a medium-severity denial of service vulnerability in n/a, published on 22 Oct 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

VDSM allows remote attackers to cause a denial of service (connection blocking) by keeping an SSL connection open.

Weakness: CWE-310

Which versions are affected by CVE-2014-7968?

It affects 1 product.

Linux distribution packages (24)
vdsm Red Hat:enterprise_linux:6::hypervisorAll versions0:4.14.18-4.el6ev
vdsm-cli Red Hat:enterprise_linux:6::hypervisorAll versions0:4.14.18-4.el6ev
vdsm-debuginfo Red Hat:enterprise_linux:6::hypervisorAll versions0:4.14.18-4.el6ev
vdsm-hook-vhostmd Red Hat:enterprise_linux:6::hypervisorAll versions0:4.14.18-4.el6ev
vdsm-python Red Hat:enterprise_linux:6::hypervisorAll versions0:4.14.18-4.el6ev
vdsm-python-zombiereaper Red Hat:enterprise_linux:6::hypervisorAll versions0:4.14.18-4.el6ev
vdsm-reg Red Hat:enterprise_linux:6::hypervisorAll versions0:4.14.18-4.el6ev
vdsm-xmlrpc Red Hat:enterprise_linux:6::hypervisorAll versions0:4.14.18-4.el6ev
vdsm Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-api Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-bootstrap Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-cli Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-debuginfo Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-hook-openstacknet Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-hook-vhostmd Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-jsonrpc Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-python Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-python-zombiereaper Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-reg Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-xmlrpc Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm-yajsonrpc Red Hat:enterprise_linux:7::hypervisorAll versions0:4.14.18-4.el7ev
vdsm Red Hat:rhev_manager:3All versions0:4.14.18-4.el6ev
vdsm-bootstrap Red Hat:rhev_manager:3All versions0:4.14.18-4.el6ev
vdsm-debuginfo Red Hat:rhev_manager:3All versions0:4.14.18-4.el6ev

Products include Redhat Virtual Desktop Service Manager.

How do I fix CVE-2014-7968?

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-2014-7968 being exploited?

There is no known exploitation of CVE-2014-7968 in the wild and no public exploit code.

Sources

Also known as GHSA-x4hr-v69h-34j6, RHBA-2014:1946.

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