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yandex clickhouse vulnerabilities and exploits
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6.5
CVSSv3
CVE-2021-42390
Divide-by-zero in Clickhouse's DeltaDouble compression codec when parsing a malicious query. The first byte of the compressed buffer is used in a modulo operation without being checked for 0.
Yandex Clickhouse
8.1
CVSSv3
CVE-2021-42387
Heap out-of-bounds read in Clickhouse's LZ4 compression codec when parsing a malicious query. As part of the LZ4::decompressImpl() loop, a 16-bit unsigned user-supplied value ('offset') is read from the compressed data. The offset is later used in the length of a c...
Yandex Clickhouse
Debian Debian Linux 10.0
8.8
CVSSv3
CVE-2021-43304
Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query. There is no verification that the copy operations in the LZ4::decompressImpl loop and especially the arbitrary copy operation wildCopy<copy_amount>(op, ip, copy_end), don’t...
Yandex Clickhouse
Debian Debian Linux 10.0
1 Github repository
8.8
CVSSv3
CVE-2021-43305
Heap buffer overflow in Clickhouse's LZ4 compression codec when parsing a malicious query. There is no verification that the copy operations in the LZ4::decompressImpl loop and especially the arbitrary copy operation wildCopy<copy_amount>(op, ip, copy_end), don’t...
Yandex Clickhouse
Debian Debian Linux 10.0
8.1
CVSSv3
CVE-2021-42388
Heap out-of-bounds read in Clickhouse's LZ4 compression codec when parsing a malicious query. As part of the LZ4::decompressImpl() loop, a 16-bit unsigned user-supplied value ('offset') is read from the compressed data. The offset is later used in the length of a c...
Yandex Clickhouse
Debian Debian Linux 10.0
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-33228
CVE-2024-20361
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