Medium severity · published Aug 9, 2018
CVE-2018-10908
It was found that vdsm before version 4.20.37 invokes qemu-img on untrusted inputs without limiting resources
6.3
CVSS
1.2%
EPSS
No
On KEV
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
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VD
vdsm · [UNKNOWN]
4.20.37 · source: vendor, NVD
VI
Virtualization · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-10908
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-10908
Mailing List
http://lists.nongnu.org/archive/html/qemu-block/2018-07/msg00488.html
Third Party Advisory
https://access.redhat.com/errata/RHEA-2018:2624
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10908
Patch
https://gerrit.ovirt.org/#/c/93195/