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NixOS Security Triage

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Coordination and triage of security issues in nixpkgs215 Servers

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30 May 2021
@arianvp:matrix.orgArianInteresting. I think it's something funky with oracle's setup. They aren't returning the entire certificate chain in the handshake13:58:06
@philipp:xndr.dephilippThat's a really common issue, sadly.13:58:55
@hexa:lossy.networkhexa das_j: and the nss version in stlabe doesn't change, should we rely on nss_latest for cacerts possibly? 14:03:04
@hexa:lossy.networkhexa * das_j: and the nss version in stable doesn't change, should we rely on nss_latest for cacerts possibly? 14:03:12
@andi:kack.itandi-nss_latest. -> cacert -> world rebuild-ish14:07:08
@hexa:lossy.networkhexayup14:07:17
@andi:kack.itandi-The idea of nss_latest was to exactly avoid world rebuilds14:07:18
@hexa:lossy.networkhexafair14:07:24
@andi:kack.itandi-while still being able to upgrade firefox14:07:28
@andi:kack.itandi-One option is always to only update cacert indepdendent of NSS14:10:28
@andi:kack.itandi-Still a world rebuild but not as high impact as changing NSS14:10:41
@hexa:lossy.networkhexaon master cacert was already decoupled from nss 14:30:19
@hexa:lossy.networkhexaby you :D14:30:26
@andi:kack.itandi-Yeah :-)14:41:07
@rizary:matrix.orgrizary_andika (@rizary_:matrix.org) (@rizary:matrix.org) joined the room.17:42:25
@kunrooted:matrix.orgkunrootedI haven't asked in here yet I'm currently writing a paper on security of Nix and NixOS maybe someone will suggest other ideas to cover in that paper?17:50:26
@philipp:xndr.dephilippChallenges of having to update entire channels v.s. being able to update a single package.18:16:03
@andi:kack.itandi-Benefits of updating entire channels vs. a single package18:17:27
@andi:kack.itandi-in other words: Being able to specify a single source code revision in which all of the dependencies of whatever system state are not affected by a defect.18:18:00
@andi:kack.itandi- kunrooted: being able to inspect the dependency graph of your builds for both build and runtime. 18:18:49
@kunrooted:matrix.orgkunrooted
In reply to @andi:kack.it
in other words: Being able to specify a single source code revision in which all of the dependencies of whatever system state are not affected by a defect.
hm, gonna research that
18:19:58
@kunrooted:matrix.orgkunrooted
In reply to @andi:kack.it
kunrooted: being able to inspect the dependency graph of your builds for both build and runtime.
in order to see what's used?
18:20:15
@kunrooted:matrix.orgkunrooted I mean, from what I can tell right now, atomic upgrades can be security nightmare 18:20:37
@kunrooted:matrix.orgkunrootedI also noticed the possibilities of supply chain attacks, especially if you use some weird NUR/Hydra things, not official ones 18:21:11
@andi:kack.itandi-Oh yeah, if you run unstrusted builds (or worse software)...18:22:12
@andi:kack.itandi- * Oh yeah, if you run unstrusted builds (or worse: software)...18:22:19
@kunrooted:matrix.orgkunrooted
In reply to @andi:kack.it
in other words: Being able to specify a single source code revision in which all of the dependencies of whatever system state are not affected by a defect.
so you mean like there's a package X and it was in version 1.0 and after update 1.1 it breaks something so you can easily take control over it and stick to 1.0 version and dependencies used by 1.0 without a need to upgrade?
18:22:47
@kunrooted:matrix.orgkunrootedasking to make it clear to me, I'm not a native English speaker and I'm feeling weird after first shot of Pfizer yesterday18:23:20
@kunrooted:matrix.orgkunrooted
In reply to @andi:kack.it
Oh yeah, if you run unstrusted builds (or worse: software)...
exactly
18:23:24
@andi:kack.itandi-Well for starters: are you a Nix user/hacker? Just so I pick the right words.18:23:56

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