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static-web-server vulnerable to stored Cross-site Scripting in directory listings via file names

Moderate severity GitHub Reviewed Published Apr 30, 2024 in static-web-server/static-web-server • Updated May 1, 2024

Package

cargo static-web-server (Rust)

Affected versions

< 2.30.0

Patched versions

2.30.0

Description

Summary

If directory listings are enabled for a directory that an untrusted user has upload privileges for, a malicious file name like <img src=x onerror=alert(1)>.txt will allow JavaScript code execution in the context of the web server’s domain.

Details

SWS generally does not perform escaping of HTML entities on any values inserted in the directory listing. At the very least file_name and current_path could contain malicious data however. file_uri could also be malicious but the relevant scenarios seem to be all caught by hyper.

Impact

For any web server that allow users to upload files or create directories under a name of their choosing this becomes a stored XSS vulnerability.

References

@joseluisq joseluisq published to static-web-server/static-web-server Apr 30, 2024
Published by the National Vulnerability Database May 1, 2024
Published to the GitHub Advisory Database May 1, 2024
Reviewed May 1, 2024
Last updated May 1, 2024

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS score

0.043%
(11th percentile)

Weaknesses

CVE ID

CVE-2024-32966

GHSA ID

GHSA-rwfq-v4hq-h7fg

Source code

Credits

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