Vulnerability CVE-2018-10908


Published: 2018-08-09

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.

Type:

CWE-770

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.1/10
6.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Redhat -> Virtualization 
Ovirt -> VDSM 

 References:
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/

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