On 7/23/23 12:10, Solomon Peachy via devel wrote: > On Sun, Jul 23, 2023 at 11:25:12AM -0400, Neal Gompa wrote: >>> If the system administrator wants to mount $UNCOMMONFS, they should be >>> able to do so without hassle, but that doesn't mean that a normal user >>> who got handed a sketchy USB stick at a conference should be able to do >>> so with no restrictions at all. >>> >> >> So then some kind of configuration to udisks2 to have a similar effect? > > And we're right back at square one, with the *overwhelmingly* common case > of a single-user system whose "admin" is sitting in front of the system. > > Of _course_ they want to mount the disk. It's why they plugged it in, > and they don't give two hoots if it's a "common filesystem" or not. > > (FFS, most of the stuff I personally plug in these days is ext4 or ntfs, > because fat32 sucks and I can't rely on exfat on all systems I need to > interoperate with) > > And let's be realistic here -- the overwhelmingly common threat model > here is that there are untrusted files on a correctly-formed filesystem. > Bad guys rarely need or care to get root on the system; what they're > after requires normal, non-elevated user permissions. > > Prompting users 'are you sure you want to use this device' will turn a > "yes" into an automatic reflex. Not automounting by default will just > add another thing to the "things to change on default fedora > installations" lists out there (ie right after the "enable freshrpms and > install modern video codecs" step), becuase it's a usability nightmare. > > In the "usability vs security" tradeoff, usability/convenience *always* > wins unless you're at a place that has armed guards at the door with > instructions to shoot first. > > - Solomon
Then the mount needs to be done in a sandbox, such as a KVM guest or sandboxed userspace process. -- Sincerely, Demi Marie Obenour (she/her/hers) _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
