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Mull & Fennec Vulnerability (infosec.pub)

submitted 4 weeks ago by Sophocles@infosec.pub to c/privacy@lemmy.ml

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So I went to update my apps and was greeted with these warnings in FDroid. A quick and basic search online and in various communities yielded no news regarding a major compromise in Fennec and Mull, does anyone know more about this or have you seen any news regarding a vulnerability? Curious if this is a false positive or if there is something going on with firefox forks.

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[-] fireshell@lemmy.ml 62 points 4 weeks ago* (last edited 4 weeks ago)

Mull was fixed in the DivestOS repository as early as October 17th, but to do this you need to add to F-Droid and reinstall Mull.

[-] jjlinux@lemmy.ml 14 points 4 weeks ago

Or you can install directly from Divest via FFupdater, or from their github (I use Obtainium for that).

[-] PunkiBas@lemmy.world 5 points 4 weeks ago

How do you use obtainium to download from their repo? I'm trying but can't seem to make it work.

[-] superglue@lemmy.dbzer0.com 3 points 4 weeks ago

When you got add the repo in Obtainium in the overrides section choose Fdroid Third party repo. Then in the app name field type mull

[-] PunkiBas@lemmy.world 1 points 4 weeks ago

Thank you!

[-] jjlinux@lemmy.ml 2 points 4 weeks ago* (last edited 4 weeks ago)

I apologize. I didn't see that my Obtainium was actually pulling from the fdroid repo. I was able to add it to Obtainium from the Divest repo: https://divestos.org/fdroid/official/us.spotco.fennec_dos_21320020.apk

But I really doubt that it will trigger updates, since it's tied to the current version apk.

I update my browsers and K9 via FFupdater, that's where my confusion came from. And I thank you for calling me our, I just removed Mull from my Obtainium.

[-] TWeaK@lemm.ee 7 points 4 weeks ago

Ah phew, was wondering why I hadn't even had the notification.

[-] thebigslime@lemmy.world 1 points 4 weeks ago

I get an incompatibility error after adding their repo to FDroid.

[-] archy@lemmy.world 8 points 4 weeks ago

Signatures are different. Uninstall old FDroid version first

[-] thebigslime@lemmy.world 2 points 4 weeks ago

Thanks! Trying that now.

[-] umami_wasbi@lemmy.ml 30 points 4 weeks ago* (last edited 4 weeks ago)

It is the recent use after free vuln actively exploited found in FF, which both Fennec and Mull relies as upstream. This compounds on changes made to Android NDK and the source of FF move into the monorepo, making them harder to build. Hence, they're still vulnerable to the attack.

[-] apostrofail@lemmy.world -3 points 4 weeks ago

found in Fx*

the source of Fx*

[-] kenbw2@lemmy.world 18 points 4 weeks ago

It's still waiting on a repackaging effort

https://gitlab.com/relan/fennecbuild/-/merge_requests/63

Looks like the latest hurdle is that Firefox is relying on some Google-specific variables being present, which fails on AOSP

[-] CrazyLikeGollum@lemmy.world 16 points 4 weeks ago

Mull at least has been fixed in the divestOS repo. I can't speak to fennec as I don't use it.

The version in the f-droid main repo is behind because of Mozilla changing their repo system thus screwing with the build process and at least for now currently requiring a compiler that doesn't meet F-Droid's (IMO slightly ridiculous) standards for allowable software.

[-] lemmeBe@sh.itjust.works 4 points 4 weeks ago

Thanks! Added their repo and reinstalled. Secure again. 😎

[-] merde@sh.itjust.works 12 points 4 weeks ago* (last edited 4 weeks ago)

☞ https://lemmy.ml/post/21783142

2 of the last 5 posts on !fdroid@lemmy.ml are on this

[-] mariusafa@lemmy.sdf.org 12 points 4 weeks ago

Mull from divestos repo works fine! Use FFupdater to install it or link the fdroid repo to your fdroid

[-] slurp@programming.dev 10 points 4 weeks ago

Mull is fine if you use the divestos repo directly, but the f-droid version is behind

[-] Jean_le_Flambeur@discuss.tchncs.de 7 points 4 weeks ago* (last edited 4 weeks ago)

Had the same, promptly uninstalled, didnt find infos.

[-] paf@jlai.lu 2 points 4 weeks ago

Haven't read so can't tell you but you will find info at https://leminal.space/post/11699480

this post was submitted on 29 Oct 2024

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