I found that out-of-the-box the sales person security role cannot edit her/his image this seems to be a bug as the error screen does not allow you to navigate away from it unless you refresh the page. I've also found that after importing my organizations user's couldn't edit/upload images due to the same missing permission.
so if you try to edit your image with a sales person security role, you get the following message:
The only way to close this error message is to refresh IE. To allow users to edit their image make sure they have the below permission: