CVE-2021-23639— Remote Code Execution (RCE)
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I. Basic Information for CVE-2021-23639
Vulnerability Information
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Vulnerability Title
Remote Code Execution (RCE)
Source: NVD (National Vulnerability Database)
Vulnerability Description
The package md-to-pdf before 5.0.0 are vulnerable to Remote Code Execution (RCE) due to utilizing the library gray-matter to parse front matter content, without disabling the JS engine.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Markdown To Pdf 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Markdown To Pdf是德国Simon Hanisch个人开发者的一个简单且可破解的 Cli 工具。用于将 Markdown 转换为 pdf。 Markdown To Pdf 中存在输入验证错误漏洞，该漏洞源于产品在没有禁用JS引擎时使用gray-matter解析前端内容。攻击者可通过该漏洞执行远程代码执行。以下产品及版本受到影响：Simonhaenisch md-to-pdf 5.0.0 之前版本。
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 |
|---|---|---|---|---|
| - | md-to-pdf | unspecified ~ 5.0.0 | - |
II. Public POCs for CVE-2021-23639
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Exploit of CVE-2021-23639 for the vulnerable library 'md-to-pdf' in JS | https://github.com/MohandAcherir/CVE-2021-23639 | POC Details |
AI-Generated POCPremium
No public POC found.
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- https://github.com/simonhaenisch/md-to-pdf/issues/99x_refsource_MISC
- https://snyk.io/vuln/SNYK-JS-MDTOPDF-1657880x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-23639
Same Patch Batch · n/a · 2021-12-10 · 17 CVEs total
| CVE-2021-23463 | 8.1 HIGH | XML External Entity (XXE) Injection |
| CVE-2021-23663 | 6.5 MEDIUM | Prototype Pollution |
| CVE-2021-23700 | 6.5 MEDIUM | Prototype Pollution |
| CVE-2021-23561 | 6.5 MEDIUM | Prototype Pollution |
| CVE-2021-27984 | Pluck 代码问题漏洞 | |
| CVE-2021-27983 | MaxSite CMS 输入验证错误漏洞 | |
| CVE-2021-31747 | Pluck 信任管理问题漏洞 | |
| CVE-2021-31746 | Pluck 路径遍历漏洞 | |
| CVE-2021-31745 | Pluck 授权问题漏洞 | |
| CVE-2021-29214 | HPE StoreServ Management Console和Manage 代码注入漏洞 | |
| CVE-2021-37934 | Huntflow Enterprise 权限许可和访问控制问题漏洞 | |
| CVE-2021-37935 | Huntflow Enterprise 信息泄露漏洞 | |
| CVE-2021-37189 | Digi TransPort 安全漏洞 | |
| CVE-2021-37188 | Digi International Digi TransPort 数据伪造问题漏洞 | |
| CVE-2021-37187 | Digi International Digi TransPort 安全漏洞 | |
| CVE-2021-35978 | Digi TransPort DR64 命令注入漏洞 |
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Same vendor: n/a
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V. Comments for CVE-2021-23639
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