CVE Vulnerability

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(op, ip, copy_end), don’t exceed the destination buffer’s limits.

6.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00002.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:yandex:clickhouse:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2022-03-14 11:15

Updated : 2022-12-08 03:16

NVD link : CVE-2021-43304

Mitre link : CVE-2021-43304

Products Affected
No products.
CWE
CWE-787