Cybersecurity

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Disabling automatic browser extension updates as a security measure? (vlemmy.net)

submitted 1 year ago by [email protected] to c/[email protected]

6 comments fedilink hide all child comments

It seems every now and again some popular Chrome or Firefox extension decides to "go evil" seemingly out of nowhere.

Stylish got caught logging browser history, The Great Suspender turned out to be spyware, and, in the case of "get cookies.txt", which was endorsed by youtube-dl, apparently the user is not the only one "getting" the cookies.

In most of these cases, it seems that trustworthy extensions get sold off to some shady third parties, or the developers just "turns evil". This got me wondering: would it be an effective security precaution to simply disable updates for browser extensions? i.e. to download the extension manually from the developer, instead of relying on chrome web store / firefox addon catalogue. It wouldn't help much if the extension you're using contains malware now, but it would prevent malware being installed in potential future updates.

So, what do you guys think?

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[–] [email protected] 1 points 1 year ago (1 children)

Not really. They don't put their evil changes in the release notes.

So unless you're willing to read through the source code changes, you're just having an outdated version (with potential compatibility/security issues) for no real benefit.

[–] [email protected] 1 points 1 year ago (1 children)

My idea is that if I stay on the oldest supported version for as long as possible, that would help me avoid evil changes in new versions, since the news would have gone public before I update. You bring up a good point about security updates tho. How relevant is it to browser extensions? Has there been malware out there that specifically targets vulnerabilities in extensions? Just casually doing git log | grep -E 'vuln|crit|secur|bug' in two extensions that I use quite extensively (pun intended), I don't seem to find any security-related commits.

[–] [email protected] 1 points 1 year ago

Most security fixes come from updating dependencies, which probably wouldn't mention those in the commit messages, since they can be looked up in the release notes of those libraries.