ClickHouse Service Port 9000 heap-based overflow

Summaryinfo

A vulnerability identified as critical has been detected in ClickHouse. This impacts an unknown function of the component Service Port 9000. Performing a manipulation results in heap-based overflow. This vulnerability is known as CVE-2023-47118. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in ClickHouse. This affects some unknown functionality of the component Service Port 9000. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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 T64 codec that crashes the ClickHouse server process. This attack does not require authentication. Note that this exploit can also be triggered via HTTP protocol, however, the attacker will need a valid credential as the HTTP authentication take places first. This issue has been fixed in version 23.10.2.13-stable, 23.9.4.11-stable, 23.8.6.16-lts and 23.3.16.7-lts.

The weakness was published 12/20/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-47118 since 10/30/2023. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 257882 (Linux Distros Unpatched Vulnerability : CVE-2023-48298), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 23.3.16.7-lts, 23.8.6.16-lts, 23.9.4.11-stable or 23.10.2.13-stable eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (257882). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• ClickHouse

Website

• Product: https://github.com/ClickHouse/ClickHouse/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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