CVE-2018-10908: ovirt vdsm Improper Input Validation
Vulnerability summary
CVE-2018-10908 is a high (CVSS 7.1) Improper Input Validation vulnerability in ovirt vdsm. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.3% of scored vulnerabilities.
Timeline
- 09-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versions- NVDNIST6.3MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:HDiffers
- OSV · Red hatEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.19%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
0.00 pp
From 1.19% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe 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.
- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Affected systems
Redhat22 products
- virtualization4.0
- vdsm< 0:4.20.39-1.el7ev
- vdsm-api< 0:4.20.39-1.el7ev
- vdsm-client< 0:4.20.39-1.el7ev
- vdsm-common< 0:4.20.39-1.el7ev
[unknown]1 product
- vdsm4.20.37
Ovirt1 product
- vdsm< 4.20.37
3 vendors · 24 products
References
12 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10908X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- access.redhat.com/errata/RHEA-2018:2624Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- lists.nongnu.org/archive/html/qemu-block/2018-07/msg00488.htmlX Refsource MISCMailing ListVendor Advisory