CVE-2015-9242 Denial of Service in ecstatic
An attacker can crash the ecstatic server by sending a malformed If-Modified-Since 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
- Available
What is CVE-2015-9242?
CVE-2015-9242 is a high-severity denial of service vulnerability in HackerOne ecstatic node module, published on 29 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Certain input strings when passed to new Date() or Date.parse() in ecstatic node module before 1.4.0 will cause v8 to raise an exception. This leads to a crash and denial of service in ecstatic when this input is passed into the server via the If-Modified-Since header.
Which versions are affected by CVE-2015-9242?
2 open source packages ship an affected version, including ecstatic. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ecstatic npm | All versions | 1.4.0 |
ecstatic npm | All versions | 1.4.0 |
Products include Ecstatic Project Ecstatic.
How do I fix CVE-2015-9242?
Upgrade ecstatic to 1.4.0 or later.
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-2015-9242 being exploited?
There is no known exploitation of CVE-2015-9242 in the wild and no public exploit code.
Other vulnerabilities in HackerOne ecstatic node module
Sources
Also known as GHSA-vwjc-q9px-r9vq.