CVE-2021-45444
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I. Basic Information for CVE-2021-45444
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zsh 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zsh是一款可用作交互式登录的shell及脚本编写的命令解释器。 Zsh存在安全漏洞，该漏洞源于递归 PROMPT_SUBST 扩展。在 5.8.1 之前的 zsh 中，攻击者可以通过控制提示符内的命令输出来实现代码执行，如 %F 参数所示。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-45444
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://vuln.ryotak.me/advisories/63x_refsource_MISC
- https://support.apple.com/kb/HT213256x_refsource_CONFIRM
- https://support.apple.com/kb/HT213257x_refsource_CONFIRM
- https://support.apple.com/kb/HT213255x_refsource_CONFIRM
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2021-45444
Same Patch Batch · n/a · 2022-02-13 · 4 CVEs total
| CVE-2022-24977 | ImpressCMS 安全漏洞 | |
| CVE-2022-24976 | Atheme IRC Services 授权问题漏洞 | |
| CVE-2021-44879 | Linux kernel 代码问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-45444
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