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.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
| Link | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10908 | patch third party advisory issue tracking |
| https://access.redhat.com/errata/RHEA-2018:2624 | third party advisory vendor advisory |
| http://lists.nongnu.org/archive/html/qemu-block/2018-07/msg00488.html | vendor advisory mailing list |
| https://gerrit.ovirt.org/#/c/93195/ | third party advisory patch |