CVE-2024-42482: syntax-check — Fix

Description

fish-shop/syntax-check is a GitHub action for syntax checking fish shell files. Improper neutralization of delimiters in the `pattern` input (specifically the command separator `;` and command substitution characters `(` and `)`) mean that arbitrary command injection is possible by modification of the input value used in a workflow. This has the potential for exposure or exfiltration of sensitive information from the workflow runner, such as might be achieved by sending environment variables to an external entity. It is recommended that users update to the patched version `v1.6.12` or the latest release version `v2.0.0`, however remediation may be possible through careful control of workflows and the `pattern` input value used by this action.

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CVSS v3.1 Score

4.8

MEDIUM

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

Weakness Type (CWE)

CWE-140 CWE-140

Affected Products

Vendor	Product	Versions
fish-shop	syntax-check	< 1.6.12

References

Advisories & Patches

https://github.com/fish-shop/syntax-check/commit/91e6817c48ad475542fe4e78139029b036a53b03 https://github.com/fish-shop/syntax-check/commit/c2cb11395e21119ff8d6e7ea050430ee7d6f49ca https://github.com/fish-shop/syntax-check/security/advisories/GHSA-xj87-mqvh-88w2

Frequently Asked Questions

What is CVE-2024-42482? +

fish-shop/syntax-check is a GitHub action for syntax checking fish shell files. Improper neutralization of delimiters in the `pattern` input (specifically the command separator `;` and command substitution characters `(` and `)`) mean that arbitrary command injection is possible by modification of the input value used in a workflow. This has the potential for exposure or exfiltration of sensitive information from the workflow runner, such as might be achieved by sending environment variables to an external entity. It is recommended that users update to the patched version `v1.6.12` or the latest release version `v2.0.0`, however remediation may be possible through careful control of workflows and the `pattern` input value used by this action. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2024-42482? +

CVE-2024-42482 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-42482? +

CVE-2024-42482 affects products from fish-shop, specifically: syntax-check. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42482? +

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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