PoC Index85,100 CVEs with PoCs

CVE-2021-42389

MEDIUM 6.5EPSS 1.3%

Divide-by-zero in Clickhouse's Delta 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.

Affected
yandex · clickhouse
CVSS v3.1 NVD
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 NVD
4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:P
EPSS
1.26% chance of exploitation in the next 30 days, 69th percentile
Published
2022-03-14
Updated
2024-08-04

Proof-of-concept exploits (1)

References