CVE-2022-1929 Exponential ReDoS in devcert
An attacker can cause a denial of service in the devcert library by supplying malicious input to the certificateFor method, triggering an exponential regular expression backtracking.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-1929?
CVE-2022-1929 is a medium-severity denial of service vulnerability in devcert, published on 1 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the devcert npm package, when an attacker is able to supply arbitrary input to the certificateFor method
Weakness: CWE-1333
Which versions are affected by CVE-2022-1929?
2 open source packages ship an affected version, including devcert. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
devcert npm | All versions | 1.2.1 |
devcert npm | All versions | 1.2.1 |
Products include Devcert Project Devcert.
How do I fix CVE-2022-1929?
Upgrade devcert to 1.2.1 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-2022-1929 being exploited?
There is no known exploitation of CVE-2022-1929 in the wild and no public exploit code.
Other vulnerabilities in devcert
Sources
Also known as GHSA-fp36-299x-pwmw.