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CVE search · CVE-2021-43304

CVE-2021-43304

high 8.8

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 exceed the destination buffer’s limits.

Open in the NVD CVE.org JSON

Details

Status
Modified
Published
Last changed
Source
reefs@jfrog.com
Weakness
CWE-122, CWE-787

Severity

VersionScoreVectorSource
CVSS 3.1 high 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H nvd@nist.govPrimary
CVSS 2.0 medium 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P nvd@nist.govPrimary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

References