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CVE-2023-38497— Cargo not respecting umask when extracting crate archives

Quick assessment

Affected
rust-lang cargo
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cargo是The Rust Programming Language开源的一个 Rust 包管理器。 Cargo 0.72.2之前版本存在安全漏洞，该漏洞源于在类UNIX系统上，Cargo 在提取 crate 存档时没有考虑 umask 设置。

CVSS 7.8 · High EPSS 0.70% · P52

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-38497

Vulnerability Information
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Vulnerability Title
Cargo not respecting umask when extracting crate archives
Source: CVE Program / CVE List V5
Vulnerability Description
Cargo downloads the Rust project’s dependencies and compiles the project. Cargo prior to version 0.72.2, bundled with Rust prior to version 1.71.1, did not respect the umask when extracting crate archives on UNIX-like systems. If the user downloaded a crate containing files writeable by any local user, another local user could exploit this to change the source code compiled and executed by the current user. To prevent existing cached extractions from being exploitable, the Cargo binary version 0.72.2 included in Rust 1.71.1 or later will purge caches generated by older Cargo versions automatically. As a workaround, configure one's system to prevent other local users from accessing the Cargo directory, usually located in `~/.cargo`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的预留继承权限
Source: CVE Program / CVE List V5
Vulnerability Title
Cargo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cargo是The Rust Programming Language开源的一个 Rust 包管理器。 Cargo 0.72.2之前版本存在安全漏洞，该漏洞源于在类UNIX系统上，Cargo 在提取 crate 存档时没有考虑 umask 设置。
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 cargo < 0.72.2 -

II. Public POCs for CVE-2023-38497

# POC Description Source Link Shenlong Link
1 Cargo exploit from CVE-2023-38497 https://github.com/lucas-cauhe/cargo-perm POC Details
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 12453 chars
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III. Intelligence Information for CVE-2023-38497

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Patches & Fixes for CVE-2023-38497 (3)

Vendor Advisories for CVE-2023-38497 (1)

Mailing List Discussions for CVE-2023-38497 (2)

Vendor Pages for CVE-2023-38497 (1)

Other References for CVE-2023-38497 (1)

IV. Related Vulnerabilities

Same product: cargo
Same vendor: rust-lang
Same weakness: CWE-278

V. Comments for CVE-2023-38497

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