CVE-2021-41110— CWL Viewer: deserialization of untrusted data can lead to complete takeover by an attacker
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I. Basic Information for CVE-2021-41110
Vulnerability Information
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Vulnerability Title
CWL Viewer: deserialization of untrusted data can lead to complete takeover by an attacker
Source: NVD (National Vulnerability Database)
Vulnerability Description
cwlviewer is a web application to view and share Common Workflow Language workflows. Versions prior to 1.3.1 contain a Deserialization of Untrusted Data vulnerability. Commit number f6066f09edb70033a2ce80200e9fa9e70a5c29de (dated 2021-09-30) contains a patch. There are no available workarounds aside from installing the patch. The SnakeYaml constructor, by default, allows any data to be parsed. To fix the issue the object needs to be created with a `SafeConstructor` object, as seen in the patch.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cwlviewer 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cwlviewer是一个用于查看和共享通用工作流语言工作流的 Web 应用程序。 cwlviewer 存在代码问题漏洞，该漏洞源于SnakeYaml 构造函数允许解析任何数据。
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 |
|---|---|---|---|---|
| common-workflow-language | cwlviewer | < 1.3.1 | - |
II. Public POCs for CVE-2021-41110
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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MindsDB Pickle pickle.loads deserialization
V. Comments for CVE-2021-41110
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