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val (val@oc.todon.fr)'s status on Sunday, 10-Sep-2023 18:09:48 JST val
- M. Hamzah Khan
- Thomas Lemarchand
@sheogorath @thomas @mhamzahkhan By default, Mastodon *executes* code from the *runtime-writeable* tmp/ dir in its source code.
They know it can potentially be exploited for RCE (and it was, in CVE-2023-36460), but chose not to fix it by default: https://github.com/mastodon/mastodon/issues/4625#issuecomment-431602474
In conversation about a year ago from oc.todon.fr permalink
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1. Domain not in remote thumbnail source whitelist: opengraph.githubassets.com
  
  Mastodon requires write access to tmp/ after a system update · Issue #4625 · mastodon/mastodon
  
  Hi, I recently restarted my server to apply a kernel upgrade. This was not a Mastodon update. After the restart, mastodon-web crashes with the following error: [1386] ! Unable to load application: ...
- clacke likes this.

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