Clickhouse
CVE-2023-47118
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real-time. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-122. 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. Affected products include: Clickhouse, Clickhouse Clickhouse Cloud. Version information: version 23.10.2.13.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Clickhouse
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ClickHouse v24.3.3.102 was discovered to contain a buffer overflow via the component DB::evaluateConstantExpressionImpl.
In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can
ClickHouse is an open-source column-oriented database management system. Rated medium severity (CVSS 4.9), this vulnerab
Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.3.3. Rated
ClickHouse is an open-source column-oriented database management system that allows generating analytical data reports i
ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports
In all versions of ClickHouse before 19.14.3, an attacker having write access to ZooKeeper and who is able to run a cust
When using the ch-go library, under a specific condition when the query includes a large, uncompressed malicious externa
ClickHouse before 19.13.5.44 allows HTTP header injection via the url table function. Rated medium severity (CVSS 5.3),
Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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