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CVE-2024-6873— Specially crafted request could caused undefined behaviour which may lead to Remote Code Execution.

Quick assessment

Affected
ClickHouse ClickHouse
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ClickHouse是ClickHouse开源的一个用于实时应用程序和分析的速度最快、资源效率最高的开源数据库。 ClickHouse存在安全漏洞，该漏洞源于攻击者可以发送特制请求，通过未认证的向量使服务器进程崩溃或改变执行流程。以下版本受到影响：v24.1之前版本，v23.8.15.35-lts之前版本，v24.3.4.147-lts之前版本，v24.4.2.141-stable之前版本，v24.5.1.1763之前版本，v24.6.1.4423-stable之前版本。

CVSS 8.1 · High EPSS 0.72% · P51
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I. Basic Information for CVE-2024-6873

Vulnerability Information
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Vulnerability Title
Specially crafted request could caused undefined behaviour which may lead to Remote Code Execution.
Source: CVE Program / CVE List V5
Vulnerability Description
It is possible to crash or redirect the execution flow of the ClickHouse server process from an unauthenticated vector by sending a specially crafted request to the ClickHouse server native interface. This redirection is limited to what is available within a 256-byte range of memory at the time of execution, and no known remote code execution (RCE) code has been produced or exploited.  Fixes have been merged to all currently supported version of ClickHouse. If you are maintaining your own forked version of ClickHouse or using an older version and cannot upgrade, the fix for this vulnerability can be found in this commit  https://github.com/ClickHouse/ClickHouse/pull/64024 .
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
ClickHouse 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ClickHouse是ClickHouse开源的一个用于实时应用程序和分析的速度最快、资源效率最高的开源数据库。 ClickHouse存在安全漏洞，该漏洞源于攻击者可以发送特制请求，通过未认证的向量使服务器进程崩溃或改变执行流程。以下版本受到影响：v24.1之前版本，v23.8.15.35-lts之前版本，v24.3.4.147-lts之前版本，v24.4.2.141-stable之前版本，v24.5.1.1763之前版本，v24.6.1.4423-stable之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ClickHouse ClickHouse v23.8.0 ~ v23.8.15.35-lts -

II. Public POCs for CVE-2024-6873

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III. Intelligence Information for CVE-2024-6873

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Vendor Advisories for CVE-2024-6873 (1)

IV. Related Vulnerabilities

Same product: ClickHouse
Same vendor: ClickHouse
Same weakness: CWE-122

V. Comments for CVE-2024-6873

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