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Buffer overflow is possible in "h3" library #19219

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alexey-milovidov opened this issue Jan 17, 2021 · 2 comments · Fixed by #19383
Closed

Buffer overflow is possible in "h3" library #19219

alexey-milovidov opened this issue Jan 17, 2021 · 2 comments · Fixed by #19383
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comp-3rdparty-libs Related to libraries used by ClickHouse fuzz Problem found by one of the fuzzers

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@alexey-milovidov
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Describe the bug
SELECT length(h3kRing(9223372036854775807, 1000))

https://clickhouse-test-reports.s3.yandex.net/19214/98a8a20b7066852ff559bd9eb660cc0d03abbe5e/fuzzer/server.log
@alexey-milovidov alexey-milovidov added comp-3rdparty-libs Related to libraries used by ClickHouse fuzz Problem found by one of the fuzzers labels Jan 17, 2021
@alexey-milovidov
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Reference: uber/h3#392

This was referenced Jan 18, 2021
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@bharatnc
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bharatnc commented Jun 3, 2021 •
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@alexey-milovidov also need checks in few other places for h3ToGeo function (#24867) that I'm implementing. Noticing the same behavior.
Here is the PR: ClickHouse/h3#2

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Fix buffer overflow in Uber H3 ClickHouse/ClickHouse
Add range checks ClickHouse/h3
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@bharatnc @alexey-milovidov