Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXBtOXAtOTkyNi13Njht

Denial of Service in ecstatic

ecstatic, a simple static file server middleware, is vulnerable to denial of service. If a payload with a large number of null bytes (%00) is provided by an attacker it can crash ecstatic by running it out of memory.

Results from the original advisory

A payload of 22kB caused a lag of 1 second,
A payload of 35kB caused a lag of 3 seconds,
A payload of 86kB caused the server to crash

Recommendation

Update to version 2.0.0 or later.

Permalink: https://github.com/advisories/GHSA-pm9p-9926-w68m
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXBtOXAtOTkyNi13Njht
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 6 years ago
Updated: about 1 year ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-pm9p-9926-w68m, CVE-2016-10703
References:

• https://nvd.nist.gov/vuln/detail/CVE-2016-10703
• https://github.com/jfhbrook/node-ecstatic/commit/71ce93988ead4b561a8592168c72143907189f01#diff-b2b5a88fb51675f1aa1065c093dce1ee
• https://github.com/advisories/GHSA-pm9p-9926-w68m
• https://www.checkmarx.com/advisories/denial-of-service-dos-vulnerability-in-ecstatic-npm-package/
• https://www.npmjs.com/advisories/553
• https://github.com/jfhbrook/node-ecstatic/commit/71ce93988ead4b561a8592168c72143907189f01
• https://advisory.checkmarx.net/advisory/CX-2016-4450

Repository: https://github.com/jfhbrook/node-ecstatic
Blast Radius: 35.1

Affected Packages