(1) installer/basedefs.py and (2) modules/ospluginutils.py in PackStack allows local users to overwrite arbitrary files via a symlink attack on a temporary file with a predictable name in /tmp.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Essex | Openstack | - (including) | - (including) |
| Folsom | Openstack | - (including) | - (including) |