CVE-2024-42471: actions toolkit Path Traversal — Fix

Description

actions/artifact is the GitHub ToolKit for developing GitHub Actions. Versions of `actions/artifact` on the 2.x branch before 2.1.2 are vulnerable to arbitrary file write when using `downloadArtifactInternal`, `downloadArtifactPublic`, or `streamExtractExternal` for extracting a specifically crafted artifact that contains path traversal filenames. Users are advised to upgrade to version 2.1.2 or higher. There are no known workarounds for this issue.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
github	actions\/artifact	2.0.0 — 2.1.7
github	actions_toolkit	All

References

Advisories & Patches

https://github.com/actions/toolkit/security/advisories/GHSA-6q32-hq47-5qq3

Other References

https://github.com/actions/toolkit/pull/1666 https://snyk.io/research/zip-slip-vulnerability

Frequently Asked Questions

What is CVE-2024-42471? +

actions/artifact is the GitHub ToolKit for developing GitHub Actions. Versions of `actions/artifact` on the 2.x branch before 2.1.2 are vulnerable to arbitrary file write when using `downloadArtifactInternal`, `downloadArtifactPublic`, or `streamExtractExternal` for extracting a specifically crafted artifact that contains path traversal filenames. Users are advised to upgrade to version 2.1.2 or higher. There are no known workarounds for this issue. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-42471? +

CVE-2024-42471 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-42471? +

CVE-2024-42471 affects products from github, specifically: actions\/artifact, actions_toolkit. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42471? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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