CVE-2021-42387

Katalog CVE

CVSS 8.1 · High EPSS 1,6%

Kerentanan Out-of-bounds Read pada clickhouse, debian linux. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

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 copy operation, without checking the upper bounds of the source of the copy operation.

Rincian

Terbit di NVD

14 Maret 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.1 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

1,6% peluang dieksploitasi; lebih tinggi dari 74,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms exploit · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2022/11/msg00002.html mailing list · advisory pihak ketiga