CVE-2020-14343
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I. Basic Information for CVE-2020-14343
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
PyYAML 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PyYAML是一款基于Python的YAML解析器和生成器。 PyYAML中存在输入验证错误漏洞，该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
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 |
|---|---|---|---|---|
| - | PyYAML | PyYAML 5.4 | - |
II. Public POCs for CVE-2020-14343
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Experimenting with the CVE-2020-14343 PyYAML vulnerability | https://github.com/raul23/pyyaml-CVE-2020-14343 | POC Details |
| 2 | A web application vulnerable to CVE-2020-14343 insecure deserialization leading to command execution in PyYAML package. | https://github.com/j4k0m/loader-CVE-2020-14343 | POC Details |
| 3 | CVE-2020-14343的payload | https://github.com/Kairo-one/CVE-2020-14343 | POC Details |
| 4 | CVE-2020-14343的payload | https://github.com/Kairo-one/CVE-2020-14343-PyYAML | POC Details |
| 5 | None | https://github.com/sijie52/yasa-cve-2020-14343 | POC Details |
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Same Patch Batch · n/a · 2021-02-09 · 46 CVEs total
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Showing top 20 of 46 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2020-14343
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