Comment by thepasswordapp

Comment by thepasswordapp 5 days ago

The credential harvesting aspect is what concerns me most for the average developer. If you've ever run `npm install` on an affected package, your environment variables, .npmrc tokens, and potentially other cached credentials may have been exfiltrated.

The action item for anyone potentially affected: rotate your npm tokens, GitHub PATs, and any API keys that were in environment variables. And if you're like most developers and reused any of those passwords elsewhere... rotate those too.

This is why periodic credential rotation matters - not just after a breach notification, but proactively. It reduces the window where any stolen credential is useful.

Towaway69 5 days ago

> anyone potentially affected

How does one know one is affected?

What's the point of rotating tokens if I'm not sure that I've been affected - the new tokens will just be ex-filtrated as well.

First step would be to identify infection, then clean up and then rotate tokens.

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mcintyre1994 5 days ago

The article has some indicators of compromise, the main one locally would be .truffler-cache/ in the home directory. It’s more obvious for package maintainers with exposed credentials, who will have a wormed version of their own packages deployed.
From what I’ve read so far (and this definitely could change), it doesn’t install persistent malware, it relies on a postinstall script. So new tokens wouldn’t be automatically exfiltrated, but if you npm install any of an increasing number of packages then it will happen to you again.

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- sierra1011 5 days ago
  
  It does install a GitHub runner and registers the infected machine as a runner, so remote code execution remains possible. It might be a stretch to call it persistent but it definitely tries.
  
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Ferret7446 5 days ago

> if you're like most developers and reused any of those passwords elsewhere

Is this true? God I hope not, if developers don't even follow basic security practices then all hope is lost.

I'd assume this is stating the obvious, but storing credentials in environment variables or files is a big no-no. Use a security key or at the very least an encrypted file, and never reuse any credential for anything.

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TeMPOraL 5 days ago

> Is this true? God I hope not, if developers don't even follow basic security practices then all hope is lost.
"Basic security practices" is an ever expanding set of hoops to jump through, that if properly followed, stop all work in its tracks. Few are following them diligently, or at all, if given any choice.
Places that care about this - like actually care, because of contractual or regulatory reasons - don't even let you use the same machine for different projects or customers. I know someone who often has to carry 3+ laptops on them because of this.
Point being, there's a cost to all these "basic security practices", cost that security practitioners pretend doesn't exist, but in fact it does exist, and it's quite substantial. Until security world acknowledges this fact openly, they'll always be surprised by how people "stubbornly" don't follow "basic practices".

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lionkor 5 days ago

I think so. I know too many developers who cannot be bothered to have a password-manager, beyond the chrome/firefox default one. Anything else, and even those, are usually "the standard 2-3 passwords" they use.

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throwawayqqq11 5 days ago

To me, the worming aspect and taking developers data as hostages against infrastructure take down is most concerning.

Previously, you had isolated places to clean up a compromise and you were good to go again. This attack approaches the semi-distributed nature and attacks the ecosystem as a whole and i am affraid this approch will get more sophisticated in the future. It reminds me a little of malicious transactions written into a distributed ledger.

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vedhant 5 days ago

Even with periodoc rotation of credentials, attacker gets enough time to do sufficient damage. Imo, the best way to solve would be to not handle any sort of credentials at all at the application layer! If at all the application must only handle only very short lived tokens. Let there be a sidecar (for example) that does the actual credential injection.

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dawnerd 5 days ago

Also a good reminder that you should be storing secrets in some kind of locker, not in plain text via environment variables or config files. Impossible to get everyone on board but if you can you should as much as possible.

I hate that high profile services still default to plain text for credential storage.

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internet_points 5 days ago

How do you do this in practice?
If I just need to `fly secrets set KEY=hunter2` one time for production I can copy it from a paper pad even but if it's a key I need to use every time I run a program that I'm developing on, it's likely going to end up at least being in my program's shell environment (and thus readable from its /proc/pid/environ). So if I `npm install compromised-package` – even from some other terminal – can't it just `grep -a KEY= /proc/*/environ`?
Or are you saying the programs we hack on should use some kind of locker api to fetch secrets and do away with env vars?

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mcintyre1994 5 days ago

Also the user data destruction if it stops being able to propagate itself.

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