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Hydra

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22 Apr 2024
@linus:schreibt.jetzt@linus:schreibt.jetztHm, that's not really a helpful reproducer since the fix doesn't prevent the alert from happening?15:27:30
@linus:schreibt.jetzt@linus:schreibt.jetzt(or at least as far as I understand the fix, it shouldn't)15:28:17
@janne.hess:helsinki-systems.dedas_j
In reply to @linus:schreibt.jetzt
Hm, that's not really a helpful reproducer since the fix doesn't prevent the alert from happening?
That's a reasonable point :/
15:28:41
@janne.hess:helsinki-systems.dedas_jI can just drop it, it's not like the issue or anyone's vulnerability to it is debatable15:29:14
@5m5z3q888q5prxkg:chat.lightnovel-dungeon.de@5m5z3q888q5prxkg:chat.lightnovel-dungeon.de
In reply to @janne.hess:helsinki-systems.de
@room You Hydra might have a XSS vulnerability, please check if you need to update: https://github.com/NixOS/hydra/security/advisories/GHSA-2p75-6g9f-pqgx
Does that in any way affect nixos users who use the distro-provided cache?
16:46:55
@5m5z3q888q5prxkg:chat.lightnovel-dungeon.de@5m5z3q888q5prxkg:chat.lightnovel-dungeon.de
In reply to @janne.hess:helsinki-systems.de
@room You Hydra might have a XSS vulnerability, please check if you need to update: https://github.com/NixOS/hydra/security/advisories/GHSA-2p75-6g9f-pqgx
* Does that in any way affect nixos users who use the distro-provided cache? e.g. malicious cache?
16:49:44
@janne.hess:helsinki-systems.dedas_j
In reply to @5m5z3q888q5prxkg:chat.lightnovel-dungeon.de
Does that in any way affect nixos users who use the distro-provided cache? e.g. malicious cache?
It doesn't affect the cache, it's only an issue when looking at html files from the Hydra web interface
16:51:49
@rick:matrix.ciphernetics.nlRick (Mindavi)Merged the fixes in nixpkgs, doesn't seem like it'll hurt17:03:29
24 Apr 2024
@stablejoy:matrix.org@stablejoy:matrix.org changed their profile picture.08:59:22
@os:matrix.flyingcircus.ioosnyx (he/him)

I had wanted to use replaceRuntimeDependencies in a system config to hotfix the latest glibc CVE, but unfortunately Hydra fails to evaluate it due to
error: access to absolute path '/nix/store/anlf335xlh41yjhm114swi87406mq5pw-glibc-2.38-44' is forbidden in restricted mode.

I guess there's a good reason why Hydra uses restricted mode and I better don't just patch evalSettings.restrictEval = false;?

15:57:34
@casey:hubns.netcransomthere is probably a good reason, but back when i used hydra, i also patched that out for... reasons.16:01:28
@ma27:nicht-so.sexyma27
In reply to @os:matrix.flyingcircus.io

I had wanted to use replaceRuntimeDependencies in a system config to hotfix the latest glibc CVE, but unfortunately Hydra fails to evaluate it due to
error: access to absolute path '/nix/store/anlf335xlh41yjhm114swi87406mq5pw-glibc-2.38-44' is forbidden in restricted mode.

I guess there's a good reason why Hydra uses restricted mode and I better don't just patch evalSettings.restrictEval = false;?

I think the main reason was that h.n.o. is effectively evaluating untrusted Nix code and the devs wanted to have certain restrictions for that (e.g. being unable to fetch stuff from random URLs). I've seen it a few times that people patched it out in their overlays.
16:01:49

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