CVE-2020-5252— Safety 安全漏洞
一分钟漏洞结论
影响对象
pyupio safety
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Safety是一款基于Python的用于检查程序安全性的软件包。 Safety 1.8.6及之前版本中存在安全漏洞。攻击者可借助特制的软件包利用该漏洞绕过安全检查。
可能的 ATT&CK 技术 1 AI
T1055 · Process Injection
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一、 漏洞 CVE-2020-5252 基础信息
漏洞信息
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Vulnerability Title
Malicious package may avoid detection in python auditing
来源: CVE Program / CVE List V5
Vulnerability Description
The command-line "safety" package for Python has a potential security issue. There are two Python characteristics that allow malicious code to “poison-pill” command-line Safety package detection routines by disguising, or obfuscating, other malicious or non-secure packages. This vulnerability is considered to be of low severity because the attack makes use of an existing Python condition, not the Safety tool itself. This can happen if: You are running Safety in a Python environment that you don’t trust. You are running Safety from the same Python environment where you have your dependencies installed. Dependency packages are being installed arbitrarily or without proper verification. Users can mitigate this issue by doing any of the following: Perform a static analysis by installing Docker and running the Safety Docker image: $ docker run --rm -it pyupio/safety check -r requirements.txt Run Safety against a static dependencies list, such as the requirements.txt file, in a separate, clean Python environment. Run Safety from a Continuous Integration pipeline. Use PyUp.io, which runs Safety in a controlled environment and checks Python for dependencies without any need to install them. Use PyUp's Online Requirements Checker.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
在安全决策中依赖未经信任的输入
来源: CVE Program / CVE List V5
Vulnerability Title
Safety 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Safety是一款基于Python的用于检查程序安全性的软件包。 Safety 1.8.6及之前版本中存在安全漏洞。攻击者可借助特制的软件包利用该漏洞绕过安全检查。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2020-5252 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2020-5252 厂商安全公告 (1)
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https://github.com/pyupio/safety/security/advisories/GHSA-7q25-qrjw-6fg2 x_refsource_CONFIRM
CVE-2020-5252 安全博客文章 (1)
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https://pyup.io/posts/patched-vulnerability/ x_refsource_CONFIRM
CVE-2020-5252 其他参考 (1)
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https://github.com/akoumjian/python-safety-vuln x_refsource_CONFIRM
IV. Related Vulnerabilities
Same vendor: pyupio
V. Comments for CVE-2020-5252
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