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CVE-2024-5452— RCE via Property/Class Pollution in lightning-ai/pytorch-lightning

Quick assessment

Affected
lightning-ai lightning-ai/pytorch-lightning
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Pytorch-Lightning是一个开源轻量级 PyTorch 包装器。用于高性能 Ai 研究。 Pytorch-Lightning 2.2.1版本存在安全漏洞，该漏洞源于对反序列化用户输入的处理不当和对dunder属性的管理不善，导致受到远程代码执行(RCE)攻击。

AI Predicted 9.8 Difficulty: Easy EPSS 26.83% · P98
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I. Basic Information for CVE-2024-5452

Vulnerability Information
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Vulnerability Title
RCE via Property/Class Pollution in lightning-ai/pytorch-lightning
Source: CVE Program / CVE List V5
Vulnerability Description
A remote code execution (RCE) vulnerability exists in the lightning-ai/pytorch-lightning library version 2.2.1 due to improper handling of deserialized user input and mismanagement of dunder attributes by the `deepdiff` library. The library uses `deepdiff.Delta` objects to modify application state based on frontend actions. However, it is possible to bypass the intended restrictions on modifying dunder attributes, allowing an attacker to construct a serialized delta that passes the deserializer whitelist and contains dunder attributes. When processed, this can be exploited to access other modules, classes, and instances, leading to arbitrary attribute write and total RCE on any self-hosted pytorch-lightning application in its default configuration, as the delta endpoint is enabled by default.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-915
Source: CVE Program / CVE List V5
Vulnerability Title
Pytorch-Lightning 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pytorch-Lightning是一个开源轻量级 PyTorch 包装器。用于高性能 Ai 研究。 Pytorch-Lightning 2.2.1版本存在安全漏洞，该漏洞源于对反序列化用户输入的处理不当和对dunder属性的管理不善，导致受到远程代码执行(RCE)攻击。
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
lightning-ai lightning-ai/pytorch-lightning unspecified ~ 2.3.3 -

II. Public POCs for CVE-2024-5452

# POC Description Source Link Shenlong Link
1 此漏洞的根本原因是**深度差异库（deepdiff）**在反序列化用户输入时，未正确处理双下划线（dunder）属性。 PyTorch Lightning 使用 deepdiff.Delta 对象根据前端操作修改应用状态，设计目标是仅允许特定状态变量的修改。 https://github.com/XiaomingX/cve-2024-5452-poc POC Details
2 None https://github.com/skrkcb2/CVE-2024-5452 POC Details
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III. Intelligence Information for CVE-2024-5452

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Vendor Advisories for CVE-2024-5452 (1)

IV. Related Vulnerabilities

Same product: lightning-ai/pytorch-lightning
Same vendor: lightning-ai
Same weakness: CWE-915

V. Comments for CVE-2024-5452

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