Comment 15 for bug 1606495

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Ian Cordasco (icordasc) wrote :

I'm not sure where Luke or Travis are in writing up an OSSN, but I'd caution against mentioning this part of the original bug report:

> it copies remote (potentially malicious) content unverified to your configured glance store.

Glance regularly deals in potentially malicious and unverified content. If any user can upload image data than all of that data could be malicious or unverified. Unless your Nova compute nodes, however, can run any type of virtualization the actual effect of that malicious content is dubious. The image data is never displayed in Horizon, so there's no XSS or other attacks possible there. The image data isn't excecuted on download by Glance client on any of the hosts or on a user's machine. For it to be executed, the user would have to take those steps directly and if they know Glance is the *image* service, I doubt they'd try to execute an image. So, like a separate issue we had reported, I'm unsure what people's threat model is around this.