Auth bypass in Ovirt
CVE-2019-3879
It was discovered that in the ovirt's REST API before version 4.3.2.1, RemoveDiskCommand is triggered as an internal command, meaning the permission validation that should be performed against the calling user is skipped. A user with low privileges (eg Basic Operations) could exploit this flaw to delete disks attached to guests.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Ovirt
- Unspecified Ovirt-Engine — versions 4.3.2.1
- Red Hat Virtualization — versions 4.2
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/107561 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHBA-2019:0802 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-3879?
- CVE-2019-3879 is a high-severity vulnerability in Ovirt, classified under Missing Authorization. CVSS score: 8.1/10. Published 2019-03-25.
- How severe is CVE-2019-3879?
- High severity. CVSS v3 base score is 8.1 out of 10.