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CVE-2018-1083

Quick assessment

Affected
zsh zsh
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.

Zsh是一个使用在Linux系统中的交互式命令解释器和命令编程语言。 Zsh 5.4.2-test-1之前版本中的shell autocomplete功能存在安全漏洞。本地攻击者可通过创建特制的目录路径利用该漏洞执行代码，也可能提升权限。

AI Predicted 7.8 Difficulty: Easy EPSS 0.60% · P46
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I. Basic Information for CVE-2018-1083

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Zsh 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zsh是一个使用在Linux系统中的交互式命令解释器和命令编程语言。 Zsh 5.4.2-test-1之前版本中的shell autocomplete功能存在安全漏洞。本地攻击者可通过创建特制的目录路径利用该漏洞执行代码，也可能提升权限。
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
zsh zsh before zsh 5.4.2-test-1 -

II. Public POCs for CVE-2018-1083

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III. Intelligence Information for CVE-2018-1083

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Vendor Advisories for CVE-2018-1083 (6)

Mailing List Discussions for CVE-2018-1083 (2)

IV. Related Vulnerabilities

Same product: zsh
Same vendor: zsh
Same weakness: CWE-120

V. Comments for CVE-2018-1083

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