title: Libvirt Service Arbitrary File Write Privilege Escalation Vulnerability
description: Ubuntu's packaging of libvirt in 20.04 LTS created a control socket with world read and write permissions. An attacker could use this to overwrite arbitrary files or execute arbitrary code.
problem types: CWE-732 Incorrect Permission Assignment for Critical Resource
affected:
{
product: libvirt
vendor: Ubuntu
versions:
lessThan: 6.0.0-0ubuntu8.3, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 9.3
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
version: 3.1
]