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CVE-2024-41672— DuckDB: sniff_csv provides filesystem access even when enable_external_access is disabled

Quick assessment

Affected
duckdb duckdb
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.

DuckDB是DuckDB开源的一个进程内 SQL OLAP 数据库管理系统。 DuckDB 1.0.0及之前的版本存在安全漏洞，该漏洞源于即使在enable_external_access被禁用的情况下sniff_csv也能提供文件系统访问，从而导致攻击者能够访问文件系统。

CVSS 7.5 · High EPSS 0.81% · P56
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I. Basic Information for CVE-2024-41672

Vulnerability Information
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Vulnerability Title
DuckDB: sniff_csv provides filesystem access even when enable_external_access is disabled
Source: CVE Program / CVE List V5
Vulnerability Description
DuckDB is a SQL database management system. In versions 1.0.0 and prior, content in filesystem is accessible for reading using `sniff_csv`, even with `enable_external_access=false`. This vulnerability provides an attacker with access to filesystem even when access is expected to be disabled and other similar functions do NOT provide access. There seem to be two vectors to this vulnerability. First, access to files that should otherwise not be allowed. Second, the content from a file can be read (e.g. `/etc/hosts`, `proc/self/environ`, etc) even though that doesn't seem to be the intent of the sniff_csv function. A fix for this issue is available in commit c9b7c98aa0e1cd7363fe8bb8543a95f38e980d8a and is expected to be part of version 1.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
DuckDB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DuckDB是DuckDB开源的一个进程内 SQL OLAP 数据库管理系统。 DuckDB 1.0.0及之前的版本存在安全漏洞，该漏洞源于即使在enable_external_access被禁用的情况下sniff_csv也能提供文件系统访问，从而导致攻击者能够访问文件系统。
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
duckdb duckdb <= 1.0.0 -

II. Public POCs for CVE-2024-41672

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III. Intelligence Information for CVE-2024-41672

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Patches & Fixes for CVE-2024-41672 (2)

Vendor Advisories for CVE-2024-41672 (1)

IV. Related Vulnerabilities

Same product: duckdb
Same vendor: duckdb
Same weakness: CWE-200

V. Comments for CVE-2024-41672

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