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CVE-2020-15271— Shell Command Execution in lookatme

Quick assessment

Affected
d0c-s4vage lookatme
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.

lookatme是个人开发者的一个基于终端的、可交互式用于markdown演示的 pypi 代码库。 lookatme (python/pypi package) 2.3.0之前版本存在操作系统命令注入漏洞，该漏洞使攻击者可能会在其系统上自动运行恶意的shell命令。

CVSS 9.3 · Critical EPSS 2.31% · P83

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-15271

Vulnerability Information
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Vulnerability Title
Shell Command Execution in lookatme
Source: CVE Program / CVE List V5
Vulnerability Description
In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in "terminal" and "file_loader" extensions. Users that use lookatme to render untrusted markdown may have malicious shell commands automatically run on their system. This is fixed in version 2.3.0. As a workaround, the `lookatme/contrib/terminal.py` and `lookatme/contrib/file_loader.py` files may be manually deleted. Additionally, it is always recommended to be aware of what is being rendered with lookatme.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
lookatme 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
lookatme是个人开发者的一个基于终端的、可交互式用于markdown演示的 pypi 代码库。 lookatme (python/pypi package) 2.3.0之前版本存在操作系统命令注入漏洞，该漏洞使攻击者可能会在其系统上自动运行恶意的shell命令。
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
d0c-s4vage lookatme < 2.3.0 -

II. Public POCs for CVE-2020-15271

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III. Intelligence Information for CVE-2020-15271

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Patches & Fixes for CVE-2020-15271 (2)

Vendor Advisories for CVE-2020-15271 (1)

Other References for CVE-2020-15271 (2)

IV. Related Vulnerabilities

Same weakness: CWE-78