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CVE-2020-15708

Published: 4 August 2020

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.

Notes

AuthorNote
mdeslaur
This is ZDI-CAN-11561.
caused by the switch to systemd socket activation, so bionic and
earlier are not affected

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
libvirt
Launchpad, Ubuntu, Debian
trusty Not vulnerable
(code not present)
upstream Needs triage

bionic Not vulnerable
(code not present)
focal
Released (6.0.0-0ubuntu8.3)
xenial Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H