CVE-2018-10908

Medium

Description

It was found that vdsm before version 4.20.37 invokes qemu-img on untrusted inputs without limiting resources. By uploading a specially crafted image, an attacker could cause the qemu-img process to consume unbounded amounts of memory of CPU time, causing a denial of service condition that could potentially impact other users of the host.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Ovirt Vdsm

PublishedAug 9, 2018

First seenAug 9, 2018

Weakness typeCWE-20Improper input validation CWE-770Allocation of resources without limits

How to fix

Update

ovirt vdsm4.20.37 or later

Vendor advisories

access.redhat.com/errata/RHEA-2018:2624

Affected products

Product	Affected versions	Fixed in
ovirt vdsm	v < 4.20.37	4.20.37
redhat virtualization	4.0	—

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