CVE-2021-23446 Regular Expression Denial of Service (ReDoS)
Attackers can cause a denial of service in Handsontable via a Regular Expression Denial of Service vulnerability in the isNumeric helper function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-23446?
CVE-2021-23446 is a high-severity denial of service vulnerability in Handsontable, published on 29 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The package handsontable before 10.0.0; the package handsontable from 0 and before 10.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) in Handsontable.helper.isNumeric function.
Weakness: CWE-1333
Which versions are affected by CVE-2021-23446?
2 open source packages ship an affected version, including handsontable. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
handsontable npm | All versions | 10.0.0 |
handsontable npm | All versions | 10.0.0 |
Products include Handsontable Handsontable.
How do I fix CVE-2021-23446?
Upgrade handsontable to 10.0.0 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-2021-23446 being exploited?
There is no known exploitation of CVE-2021-23446 in the wild and no public exploit code.
Sources
Also known as GHSA-hf66-r44g-p7j9.