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CVE-2023-39523— ScanCode.io command injection in docker image fetch process

Quick assessment

Affected
nexB scancode.io
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.

ScanCode是一个开源的工具，用于分析和扫描源代码中的开源许可证信息和潜在的知识产权问题。 ScanCode.io 32.5.1之前版本存在命令注入漏洞，该漏洞源于参数docker_reference存在命令注入漏洞。

CVSS 6.8 · Medium EPSS 2.92% · P87
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I. Basic Information for CVE-2023-39523

Vulnerability Information
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Vulnerability Title
ScanCode.io command injection in docker image fetch process
Source: CVE Program / CVE List V5
Vulnerability Description
ScanCode.io is a server to script and automate software composition analysis with ScanPipe pipelines. Prior to version 32.5.1, the software has a possible command injection vulnerability in the docker fetch process as it allows to append malicious commands in the `docker_reference` parameter. In the function `scanpipe/pipes/fetch.py:fetch_docker_image` the parameter `docker_reference` is user controllable. The `docker_reference` variable is then passed to the vulnerable function `get_docker_image_platform`. However, the `get_docker_image_plaform` function constructs a shell command with the passed `docker_reference`. The `pipes.run_command` then executes the shell command without any prior sanitization, making the function vulnerable to command injections. A malicious user who is able to create or add inputs to a project can inject commands. Although the command injections are blind and the user will not receive direct feedback without logs, it is still possible to cause damage to the server/container. The vulnerability appears for example if a malicious user adds a semicolon after the input of `docker://;`, it would allow appending malicious commands. Version 32.5.1 contains a patch for this issue. The `docker_reference` input should be sanitized to avoid command injections and, as a workaround, one may avoid creating commands with user controlled input directly.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
ScanCode 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ScanCode是一个开源的工具，用于分析和扫描源代码中的开源许可证信息和潜在的知识产权问题。 ScanCode.io 32.5.1之前版本存在命令注入漏洞，该漏洞源于参数docker_reference存在命令注入漏洞。
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
nexB scancode.io < 32.5.1 -

II. Public POCs for CVE-2023-39523

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III. Intelligence Information for CVE-2023-39523

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Patches & Fixes for CVE-2023-39523 (1)

Vendor Advisories for CVE-2023-39523 (1)

Other References for CVE-2023-39523 (2)

IV. Related Vulnerabilities

Same product: scancode.io
Same vendor: nexB
Same weakness: CWE-77