!VRULIdgoKmKPzJZzjj:nixos.org

Nix Hackers

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For people hacking on the Nix package manager itself198 Servers

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31 Oct 2024
@k900:0upti.meK900Which is not the slow part16:01:55
@k900:0upti.meK900And never was16:01:57
@k900:0upti.meK900And is in fact very fast16:02:01
@k900:0upti.meK900 Specifically because it does not involve "resolution" 16:02:09
@emilazy:matrix.orgemily I think AT:P implies that the actual attacker has to be present at the machine, so I agree that that part is inaccurate too. 16:02:21
@puck:puck.moepuck
In reply to @emilazy:matrix.org
I think AT:P implies that the actual attacker has to be present at the machine, so I agree that that part is inaccurate too.
that'd be AV:P i think
16:02:41
@puck:puck.moepuck AT:P just means the system has to be misconfigured 16:02:49
@emilazy:matrix.orgemily sigh why do tehy have to use inscrutable acronyms 16:03:05
@emilazy:matrix.orgemily * sigh why do they have to use inscrutable acronyms 16:03:12
@khaleghi:matrix.org..are there areas where they need mathematical optimization?16:03:26
@emilazy:matrix.orgemilyin any case it's definitely not 1.0 and I hope the CVSS score wasn't just massaged to make it so…16:03:29
@emilazy:matrix.orgemily
In reply to @khaleghi:matrix.org
are there areas where they need mathematical optimization?
we explicitly don't do any kind of SAT or anything
16:03:59
@emilazy:matrix.orgemilyunlike almost every other package manager :)16:04:05
@k900:0upti.meK900
In reply to@khaleghi:matrix.org
are there areas where they need mathematical optimization?
Not really, no
16:04:19
@k900:0upti.meK900At this point the slowest part of Nix is, by a long shot, the interpreter itself16:04:32
@k900:0upti.meK900And that needs less fancy maths and more rolling up sleeves and profiling for a week16:04:50
@puck:puck.moepuck
In reply to @emilazy:matrix.org
in any case it's definitely not 1.0 and I hope the CVSS score wasn't just massaged to make it so…
if i change it to CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N it ends up a 2.4
16:04:58
@puck:puck.moepuckthe big issue is this vuln kinda depends on other vulns, and the sandbox isn't really default16:06:23
@emilazy:matrix.orgemilyVC:L seems wrong, since the impact is itself to confidentiality (if you, say, rely on the Nix sandbox on a host that has sensitive information but then deploy binaries to separate hosts without that information that nonetheless now have access to data they shouldn't?)16:06:35
@puck:puck.moepuck* the big issue is this vuln kinda depends on other vulns to be properly exploitable, and the sandbox isn't really default16:06:41

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