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Fix regex denial-of-service - #27

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mojotx wants to merge 5 commits into
whilp:masterfrom
mojotx:fix_regex_dos
Open

mojotx wants to merge 5 commits into
whilp:masterfrom
mojotx:fix_regex_dos

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@mojotx

@mojotx mojotx commented Feb 11, 2024

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This should fix #24. Need to bump version from v1.0.0 to v1.0.1

Otherwise I am going to have to start using my forked version since this shows up as a Dependabot warning now.

See https://github.com/mojotx/git-goclone/security/dependabot/10

This lets us reproduce the issue with the long duration
Check length of URL and limit to 8000 bytes

Also added a unit test to check
Move runTimingTest() into TestRegex, and eliminate unnecessary
variables
@mojotx

mojotx commented Feb 13, 2024

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This attempts to address GHSA-3f2q-6294-fmq5 and #24. It is an alternative to #25, but with a more generous URL length limit of 8000 instead of 1000. It still completes in 500 µs on my system, for a URL of 8000 characters.

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Security issue in regex

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