CVE-2019-17592 Regular Expression Denial of Service in csv-parse
An attacker can cause a denial of service in applications using the csv-parse library by providing crafted input when the cast option is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-17592?
CVE-2019-17592 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 14 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The csv-parse module before 4.4.6 for Node.js is vulnerable to Regular Expression Denial of Service. The __isInt() function contains a malformed regular expression that processes large crafted input very slowly. This is triggered when using the cast option.
Weakness: CWE-400
Which versions are affected by CVE-2019-17592?
2 open source packages ship an affected version, including csv-parse. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
csv-parse npm | All versions | 4.4.6 |
csv-parse npm | All versions | 4.4.6 |
Products include Csv-Parse Project Csv-Parse, Fedoraproject Fedora.
How do I fix CVE-2019-17592?
Upgrade csv-parse to 4.4.6 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-2019-17592 being exploited?
There is no known exploitation of CVE-2019-17592 in the wild and no public exploit code.
Sources
Also known as GHSA-582f-p4pg-xc74.