attack vector is network; attack complexity is low; privileges required is low; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
canonical lxd
Classified as
CWE-59 (Improper Link Resolution Before File Access ('Link Following'))
Affected Products, Subsystems & Sectors
Vendor
Product
Affected Versions
Patch Status
canonical
lxd
Subsystems
General OT
Sectors
Multiple
What to Know
A link following vulnerability in LXD allows an attacker to achieve root command execution on the host system. During the import or unpacking of crafted image or backup archives, LXD fails to properly validate and confine the backup.yaml file when it exists as a symbolic link. An attacker can exploit this flaw by providing a malicious archive with a symlinked backup.yaml file, causing LXD to process unconfined configuration metadata and execute arbitrary commands with root privileges. (NVD)
What to Do
Monitor canonical's web page for any future patch releases.