An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A world writable file allowed local users to execute arbitrary code as the user apache, leading to privilege escalation.
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
| Link | Tags |
|---|---|
| https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961 | vendor advisory |
| https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-1 | third party advisory exploit |
| https://www.cyberonesecurity.com/blog/exploiting-kaseya-unitrends-backup-appliance-part-2 | third party advisory exploit |