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CVE-2023-40185— Shescape on Windows escaping may be bypassed in threaded context

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 1.7.4之前版本存在安全漏洞，该漏洞源于转义（或引用）错误的shell，从而允许攻击者绕过保护。

CVSS 6.5 · Medium EPSS 0.68% · P51

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-40185

Vulnerability Information
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Vulnerability Title
Shescape on Windows escaping may be bypassed in threaded context
Source: CVE Program / CVE List V5
Vulnerability Description
shescape is simple shell escape library for JavaScript. This may impact users that use Shescape on Windows in a threaded context. The vulnerability can result in Shescape escaping (or quoting) for the wrong shell, thus allowing attackers to bypass protections depending on the combination of expected and used shell. This bug has been patched in version 1.7.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
转义、元或控制序列转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
shescape 安全漏洞
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 1.7.4之前版本存在安全漏洞，该漏洞源于转义（或引用）错误的shell，从而允许攻击者绕过保护。
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 < 1.7.4 -

II. Public POCs for CVE-2023-40185

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III. Intelligence Information for CVE-2023-40185

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Patches & Fixes for CVE-2023-40185 (2)

Vendor Advisories for CVE-2023-40185 (1)

Other References for CVE-2023-40185 (1)

IV. Related Vulnerabilities

Same product: shescape
Same vendor: ericcornelissen
Same weakness: CWE-150

V. Comments for CVE-2023-40185

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