GitHub Advisoryadvisory · npm
GHSA-pm9p-9926-w68m Denial of Service in ecstatic
HIGH
Official page ↗
- Aliases
- CVE-2016-10703
- Ecosystem
- npm
- Packages
- ecstatic
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400
- Reviewed
- 2020-06-16
Affected packages
• npm ecstatic: < 2.0.0 → fixed in 2.0.0
Description
`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.
Related
Alias · CVE (1)
- CVE-2016-10703 A regular expression Denial of Service (DoS) vulnerability in the file lib/ecstatic.js of the ecstatic npm package, before version 2.0.0,… vulnerability
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2016-10703 advisory
- https://github.com/jfhbrook/node-ecstatic/commit/71ce93988ead4b561a8592168c72143907189f01 web
- https://github.com/jfhbrook/node-ecstatic/commit/71ce93988ead4b561a8592168c72143907189f01#diff-b2b5a88fb51675f1aa1065c093dce1ee web
- https://advisory.checkmarx.net/advisory/CX-2016-4450 web
- https://github.com/advisories/GHSA-pm9p-9926-w68m advisory
- https://github.com/jfhbrook/node-ecstatic package
- https://www.checkmarx.com/advisories/denial-of-service-dos-vulnerability-in-ecstatic-npm-package web
- https://www.npmjs.com/advisories/553 web