Vulnerability in Libvirt
CVE-2019-10166
It was discovered that libvirtd, versions 4.x.x before 4.10.1 and 5.x.x before 5.4.1, would permit readonly clients to use the virDomainManagedSaveDefineXML() API, which would permit them to modify managed save state files. If a managed save had already been created by a privileged user, a local attacker could modify this file such that libvirtd would execute an arbitrary program when the domain was resumed.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Libvirt — versions 4.x.x before 4.10.1, 5.x.x before 5.4.1
- Red Hat Enterprise Linux — versions 7.0, 8.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
- Red Hat Libvirt
- Red Hat Virtualization — versions 4.3
Weakness classification (CWE)
References
- access.redhat.com/libvirt-privesc-vulnerabilities (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- security.gentoo.org/glsa/202003-18 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-10166?
- CVE-2019-10166 is a high-severity vulnerability in Libvirt, classified under Improper Access Control. CVSS score: 7.8/10. Published 2019-08-02.
- How severe is CVE-2019-10166?
- High severity. CVSS v3 base score is 7.8 out of 10.