CVE-2019-20477
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I. Basic Information for CVE-2019-20477
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
PyYAML 5.1 through 5.1.2 has insufficient restrictions on the load and load_all functions because of a class deserialization issue, e.g., Popen is a class in the subprocess module. NOTE: this issue exists because of an incomplete fix for CVE-2017-18342.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
PyYAML 代码问题漏洞
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 5.1版本至5.1.2版本中存在代码问题漏洞，该漏洞源于程序对‘load’和‘load_all’函数的限制不足。攻击者可利用该漏洞在系统上执行任意代码。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2019-20477
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/yaml/pyyaml/blob/master/CHANGESx_refsource_MISC
- https://www.exploit-db.com/download/47655x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52N5XS73Z5S4ZN7I7R56ICCPCTKCUV4H/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/33VBUY73AA6CTTYL3LRWHNFDULV7PFPN/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-20477
Same Patch Batch · n/a · 2020-02-19 · 28 CVEs total
| CVE-2019-12437 | SilverStripe 跨站请求伪造漏洞 | |
| CVE-2015-7747 | Audio File Library 缓冲区错误漏洞 | |
| CVE-2014-9617 | Netsweeper 输入验证错误漏洞 | |
| CVE-2014-9615 | Netsweeper 跨站脚本漏洞 | |
| CVE-2014-9614 | Netsweeper 信任管理问题漏洞 | |
| CVE-2014-9613 | Netsweeper SQL注入漏洞 | |
| CVE-2014-9612 | Netsweeper SQL注入漏洞 | |
| CVE-2014-9609 | Netsweeper 路径遍历漏洞 | |
| CVE-2014-9608 | Netsweeper 跨站脚本漏洞 | |
| CVE-2014-9607 | Netsweeper 跨站脚本漏洞 | |
| CVE-2014-9606 | Netsweeper 跨站脚本漏洞 | |
| CVE-2020-6061 | CoTURN 缓冲区错误漏洞 | |
| CVE-2020-6062 | CoTURN 代码问题漏洞 | |
| CVE-2019-12246 | SilverStripe 跨站请求伪造漏洞 | |
| CVE-2015-9543 | OpenStack Nova 信息泄露漏洞 | |
| CVE-2020-8441 | JYaml 代码问题漏洞 | |
| CVE-2020-8959 | Western Digital WesternDigitalSSDDashboardSetup.exe 代码问题漏洞 | |
| CVE-2020-8824 | Hitron Technologies CODA-4582U 跨站脚本漏洞 | |
| CVE-2012-6685 | Nokogiri 安全漏洞 | |
| CVE-2012-1932 | Wolf CMS 跨站脚本漏洞 |
Showing top 20 of 28 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2019-20477
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