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CVE-2022-24725— Exposure of home directory through shescape on Unix with Bash

Quick assessment

Affected
ericcornelissen shescape
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 1.4.0到1.5.1版本存在操作系统命令注入漏洞，该漏洞源于使用Bash和shescape API中的 escape 或 escapeAll 函数并将 interpolation 选项设为 true 时，Unix系统上的主目录会被暴露。攻击者可以在使用shescape的应用程序中进行目录遍历。

CVSS 6.2 · Medium EPSS 0.50% · P41
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I. Basic Information for CVE-2022-24725

Vulnerability Information
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Vulnerability Title
Exposure of home directory through shescape on Unix with Bash
Source: CVE Program / CVE List V5
Vulnerability Description
Shescape is a shell escape package for JavaScript. An issue in versions 1.4.0 to 1.5.1 allows for exposure of the home directory on Unix systems when using Bash with the `escape` or `escapeAll` functions from the _shescape_ API with the `interpolation` option set to `true`. Other tested shells, Dash and Zsh, are not affected. Depending on how the output of _shescape_ is used, directory traversal may be possible in the application using _shescape_. The issue was patched in version 1.5.1. As a workaround, manually escape all instances of the tilde character (`~`) using `arg.replace(/~/g, "\\~")`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Shescape 操作系统命令注入漏洞
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 1.4.0到1.5.1版本存在操作系统命令注入漏洞，该漏洞源于使用Bash和shescape API中的 escape 或 escapeAll 函数并将 interpolation 选项设为 true 时，Unix系统上的主目录会被暴露。攻击者可以在使用shescape的应用程序中进行目录遍历。
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 >= 1.4.0, < 1.5.1 -

II. Public POCs for CVE-2022-24725

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III. Intelligence Information for CVE-2022-24725

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Patches & Fixes for CVE-2022-24725 (1)

Vendor Advisories for CVE-2022-24725 (1)

Other References for CVE-2022-24725 (1)

IV. Related Vulnerabilities

Same product: shescape
Same vendor: ericcornelissen
Same weakness: CWE-200

V. Comments for CVE-2022-24725

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