The virStorageVolCreateXML API in libvirt 1.2.14 through 1.2.19 allows remote authenticated users with a read-write connection to cause a denial of service (libvirtd crash) by triggering a failed unlink after creating a volume on a root_squash NFS pool.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libvirt | Redhat | 1.2.14 (including) | 1.2.14 (including) |
| Libvirt | Redhat | 1.2.15 (including) | 1.2.15 (including) |
| Libvirt | Redhat | 1.2.16 (including) | 1.2.16 (including) |
| Libvirt | Redhat | 1.2.17 (including) | 1.2.17 (including) |
| Libvirt | Redhat | 1.2.18 (including) | 1.2.18 (including) |
| Libvirt | Redhat | 1.2.19 (including) | 1.2.19 (including) |
| Libvirt | Ubuntu | upstream | * |
| Libvirt | Ubuntu | wily | * |
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: