Haystack Arq for Mac 'setpermissions' function elevation of privilege vulnerability

Haystack Arq for Mac is a Mac-based file backup software from Haystack Software, USA. auto-updater is one of the auto-updater components. An elevation of privilege vulnerability exists in the 'setpermissions' function of auto-updater in versions of Haystack Arq for Mac prior to 5.9.7. A local...