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Vulnerability · Published Dec 22, 2023 · Assigned by GitHub_M

CVE-2023-48704Unauthenticated heap buffer overflow in Gorrila codec decompression

High 7.0

In plain English

A high-severity heap buffer overflow in ClickHouse from ClickHouse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.5%top 57.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

ClickHouse is an open-source column-oriented database management system that allows generating analytical data reports in real-time. A heap buffer overflow issue was discovered in ClickHouse server. An attacker could send a specially crafted payload to the native interface exposed by default on port 9000/tcp, triggering a bug in the decompression logic of Gorilla codec that crashes the ClickHouse server process. This attack does not require authentication. This issue has been addressed in ClickHouse Cloud version 23.9.2.47551 and ClickHouse versions 23.10.5.20, 23.3.18.15, 23.8.8.20, and 23.9.6.20.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:24.04:LTSclickhouseno fix listedUBUNTU-CVE-2023-48704

Affected products (as reported)

VendorProductVersions
ClickHouse ClickHouse < 23.9.2.47551< 23.10.5.20< 23.3.18.15< 23.8.8.20< 23.9.6.20

Weakness: CWE-122, CWE-120 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

References