Vulnerability Details : CVE-2021-42389
Potential exploit
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.
Products affected by CVE-2021-42389
- cpe:2.3:a:yandex:clickhouse:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42389
0.51%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42389
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-42389
-
The product divides a value by zero.Assigned by:
- nvd@nist.gov (Primary)
- reefs@jfrog.com (Secondary)
References for CVE-2021-42389
-
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms
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