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CVE-2024-43402— Rust OS Command Injection/Argument Injection vulnerability

Quick assessment

Affected
rust-lang rust
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.

Rust是美国Mozilla基金会的一款通用、编译型编程语言。 Rust 1.81.0之前版本存在安全漏洞，该漏洞源于当批处理文件名有尾随空格或句点时，可以绕过修复。

CVSS 8.2 · High EPSS 0.74% · P53

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2024-43402

Vulnerability Information
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Vulnerability Title
Rust OS Command Injection/Argument Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Rust is a programming language. The fix for CVE-2024-24576, where `std::process::Command` incorrectly escaped arguments when invoking batch files on Windows, was incomplete. Prior to Rust version 1.81.0, it was possible to bypass the fix when the batch file name had trailing whitespace or periods (which are ignored and stripped by Windows). To determine whether to apply the `cmd.exe` escaping rules, the original fix for the vulnerability checked whether the command name ended with `.bat` or `.cmd`. At the time that seemed enough, as we refuse to invoke batch scripts with no file extension. Windows removes trailing whitespace and periods when parsing file paths. For example, `.bat. .` is interpreted by Windows as `.bat`, but the original fix didn't check for that. Affected users who are using Rust 1.77.2 or greater can remove the trailing whitespace (ASCII 0x20) and trailing periods (ASCII 0x2E) from the batch file name to bypass the incomplete fix and enable the mitigations. Users are affected if their code or one of their dependencies invoke a batch script on Windows with trailing whitespace or trailing periods in the name, and pass untrusted arguments to it. Rust 1.81.0 will update the standard library to apply the CVE-2024-24576 mitigations to all batch files invocations, regardless of the trailing chars in the file name.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/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
Rust 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rust是美国Mozilla基金会的一款通用、编译型编程语言。 Rust 1.81.0之前版本存在安全漏洞，该漏洞源于当批处理文件名有尾随空格或句点时，可以绕过修复。
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
rust-lang rust < 1.81.0 -

II. Public POCs for CVE-2024-43402

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III. Intelligence Information for CVE-2024-43402

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Vendor Advisories for CVE-2024-43402 (1)

Security Blog Posts for CVE-2024-43402 (1)

IV. Related Vulnerabilities

Same product: rust
Same vendor: rust-lang
Same weakness: CWE-78

V. Comments for CVE-2024-43402

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