RUSTSEC-2026-0368: zip: `ZipArchive::extract` creates symbolic links whose attacker-controlled targets are outside the destination directory

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評估

難度
4/5
預估耗時
3-5 天
新手友好度
25/100
Issue 類型
缺陷
描述清晰度
需要釐清
活躍度
活躍
技術堆疊
kubernetes, rust
領域
cli, security

研究方向

Read the advisory and inspect the Rust dependency declarations plus every place ZipArchive::extract is used, especially paths handling untrusted archives. No files or tests are named in the issue. The work is complete when extraction no longer permits attacker-controlled symbolic links to resolve outside the destination, with regression coverage demonstrating the restriction.

由索引模型根據 Issue 內容生成。

描述

zip: ZipArchive::extract creates symbolic links whose attacker-controlled targets are outside the destination directory

Details
Package zip
Version 3.0.0
Date 2026-10-09
Patched versions >=9.0.0

In zip 9.0.0-pre2, ZipArchive::extract creates a symbolic link from an archive entry after validating only the output entry path. The link target bytes are passed directly to the platform symlink API, so a malicious archive can create an entry inside the destination that resolves to an attacker-chosen path outside it. This behavior was verified on macOS and Linux. On either platform, a subsequent application read or write through that extracted entry accesses the external target with the extracting process's permissions.

For further details see: https://github.com/zip-rs/zip2/security/advisories/GHSA-4v9h-p7m9-rh26

See advisory page for additional details.

主要語言
Rust
星號
11
分支
5
平均合併
1 天 6 小時
30 天內合併 PR
1

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