buffer overflow bug?

Asked by Felipe Gasper on 2017-09-27

There’s a buffer overflow bug in lrzsz’s zsdata() function: if the length of the data to be sent is 0, then we spit out roughly 55,000 bytes.

There’s a patch here: https://github.com/gooselinux/lrzsz/blob/master/lrzsz-0.12.20.patch

Where is the canonical repo for lrzsz now? Uwe Ohse doesn’t seem to maintain it actively anymore.

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Ubuntu lrzsz Edit question
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I suggest you report a bug. You can add the patch as a solution.

Felipe Gasper (felipegasper) said : #2

@actionparsnip OK. I was hoping to fix it upstream so it might propagate to other platforms, but every little bit helps.

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