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5
CVSSv2

CVE-2021-42391

Published: 14/03/2022 Updated: 22/03/2022
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

Divide-by-zero in Clickhouse's Gorilla 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.

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yandex clickhouse

References

CWE-369https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbmshttps://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
hard-codedCVE-2024-27202NULL pointer dereferenceCVE-2024-28075CVE-2024-33608CVE-2024-28889CVE-2024-34572template injectionCVE-2024-34351
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