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Edu4rdSHL@lemmy.world to Technology@lemmy.worldEnglish ·
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2 years ago

Arbitrary file creation through media attachments on Mastodon

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Arbitrary file creation through media attachments on Mastodon

lemmy.world

Edu4rdSHL@lemmy.world to Technology@lemmy.worldEnglish ·
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2 years ago
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Arbitrary file creation through media attachments
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(This advisory describes an issue found by Cure53 as part of an audit performed at Mozilla's request) Using carefully crafted media files, attackers can cause Mastodon's media processing code to...

CVE-2023-36460 is a Mastodon vulnerability where you can send a toot which makes a webshell on instances that process said toot.

Edit: it’s already fixed, that’s why it was disclosed on GitHub.

The security advisory: https://github.com/mastodon/mastodon/security/advisories/GHSA-9928-3cp5-93fm

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  • Nate@programming.dev
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    2 years ago

    Not sure if this is related, but I think they pushed an update for it https://mastodon.social/@Mastodon/110667890329356603

    • Edu4rdSHL@lemmy.worldOP
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      2 years ago

      Yes, it’s already fixed, that’s why it was disclosed on Github. I will edit the post to reflect that.

  • Lemmesee@lemm.ee
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    2 years ago

    Woof

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