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CVE-2021-3725— OS Command Injection in ohmyzsh/ohmyzsh

Quick assessment

Affected
ohmyzsh ohmyzsh/ohmyzsh
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.

ohmyzsh是一个开源的、社区驱动的框架，用于管理您的zsh配置。 ohmyzsh 存在操作系统命令注入漏洞，该漏洞源于通过按Alt-Left和Alt-Right触发的在目录历史记录中前后移动的小部件使用对目录名称不安全地执行eval的函数。

CVSS 7.5 · High EPSS 1.05% · P61

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-3725

Vulnerability Information
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Vulnerability Title
OS Command Injection in ohmyzsh/ohmyzsh
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in dirhistory plugin Description: the widgets that go back and forward in the directory history, triggered by pressing Alt-Left and Alt-Right, use functions that unsafely execute eval on directory names. If you cd into a directory with a carefully-crafted name, then press Alt-Left, the system is subject to command injection. Impacted areas: - Functions pop_past and pop_future in dirhistory plugin.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
ohmyzsh 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ohmyzsh是一个开源的、社区驱动的框架，用于管理您的zsh配置。 ohmyzsh 存在操作系统命令注入漏洞，该漏洞源于通过按Alt-Left和Alt-Right触发的在目录历史记录中前后移动的小部件使用对目录名称不安全地执行eval的函数。
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
ohmyzsh ohmyzsh/ohmyzsh unspecified ~ 06fc5fb -

II. Public POCs for CVE-2021-3725

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III. Intelligence Information for CVE-2021-3725

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Patches & Fixes for CVE-2021-3725 (1)

Same Patch Batch · ohmyzsh · 2021-11-30 · 4 CVEs total

CVE-2021-3726 7.5 HIGH OS Command Injection in ohmyzsh/ohmyzsh
CVE-2021-3727 7.5 HIGH OS Command Injection in ohmyzsh/ohmyzsh
CVE-2021-3769 7.5 HIGH OS Command Injection in ohmyzsh/ohmyzsh

IV. Related Vulnerabilities

Same product: ohmyzsh/ohmyzsh
Same vendor: ohmyzsh
Same weakness: CWE-78

V. Comments for CVE-2021-3725

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