Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-45444

Quick assessment

Affected
n/a n/a
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。

AI Predicted 7.2 Difficulty: Moderate EPSS 1.98% · P79

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-45444

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-45444

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-45444 (4)

Mailing List Discussions for CVE-2021-45444 (6)

Other References for CVE-2021-45444 (1)

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

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-45444

No comments yet

Leave a comment