CVE-2020-27543 Denial of Service (DoS) in restify-paginate
Remote attackers can crash Restify-based web services by omitting the HTTP Host header, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-27543?
CVE-2020-27543 is a high-severity denial of service vulnerability in n/a, published on 25 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The restify-paginate package 0.0.5 for Node.js allows remote attackers to cause a Denial-of-Service by omitting the HTTP Host header. A Restify-based web service would crash with an uncaught exception.
Weakness: CWE-755
Which versions are affected by CVE-2020-27543?
2 open source packages ship an affected version, including restify-paginate. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
restify-paginate npm | All versions to 0.0.5 | None |
restify-paginate npm | All versions to 0.0.5 | None |
Products include Restify-Paginate Project Restify-Paginate.
How do I fix CVE-2020-27543?
No fix has been published for CVE-2020-27543 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-27543 being exploited?
There is no known exploitation of CVE-2020-27543 in the wild and no public exploit code.
Sources
Also known as GHSA-qr9h-vr5p-pwwx.