CVE-2021-21384— Null characters not escaped in shescape
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I. Basic Information for CVE-2021-21384
Vulnerability Information
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Vulnerability Title
Null characters not escaped in shescape
Source: NVD (National Vulnerability Database)
Vulnerability Description
shescape is a simple shell escape package for JavaScript. In shescape before version 1.1.3, anyone using _Shescape_ to defend against shell injection may still be vulnerable against shell injection if the attacker manages to insert a into the payload. For an example see the referenced GitHub Security Advisory. The problem has been patched in version 1.1.3. No further changes are required.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
参数注入或修改
Source: NVD (National Vulnerability Database)
Vulnerability Title
shescape 参数注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
shescape是开源的一个用于JavaScript的简单外壳转义程序包。使用它可以将用户控制的输入转义给shell命令，以防止shell注入。 shescape before version 1.1.3 存在参数注入漏洞，攻击者可利用该漏洞将a插入有效负载中，则使用_Shescape_防御shell注入的任何人可能容易受到shell注入的攻击。
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 |
|---|---|---|---|---|
| ericcornelissen | shescape | < 1.1.3 | - |
II. Public POCs for CVE-2021-21384
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.npmjs.com/package/shescapex_refsource_MISC
- https://github.com/ericcornelissen/shescape/releases/tag/v1.1.3x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-21384
IV. Related Vulnerabilities
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Same vendor: ericcornelissen
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Same weakness: CWE-88
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