CVE-2018-10908 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

Reference

http://lists.nongnu.org/archive/html/qemu-block/2018-07/msg00488.html https://access.redhat.com/errata/RHEA-2018:2624 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10908 https://gerrit.ovirt.org//c/93195/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.3