CVE-2024-45813 ReDoS vulnerability in multiparametric routes in find-my-way
A ReDoS vulnerability in find-my-way allows attackers to cause denial of service via specific route patterns, requiring an upgrade to patched versions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-45813?
CVE-2024-45813 is a medium-severity denial of service vulnerability in delvedor find-my-way, published on 18 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
find-my-way is a fast, open source HTTP router, internally using a Radix Tree (aka compact Prefix Tree), supports route params, wildcards, and it's framework independent. A bad regular expression is generated any time one has two parameters within a single segment, when adding a `-` at the end, like `/:a-:b-`. This may cause a denial of service in some instances. Users are advised to update to find-my-way v8.2.2 or v9.0.1. or subsequent versions. There are no known workarounds for this issue.
Weakness: CWE-1333
Which versions are affected by CVE-2024-45813?
4 open source packages ship an affected version, including find-my-way.
| Package | Affected | Fixed in |
|---|---|---|
find-my-way npm | From 5.5.0 | 8.2.2 |
find-my-way npm | From 5.5.0 | 8.2.2 |
find-my-way npm | From 9.0.0 | 9.0.1 |
find-my-way npm | From 9.0.0 | 9.0.1 |
How do I fix CVE-2024-45813?
Upgrade find-my-way to a fixed version for your release line: 8.2.2 or 9.0.1.
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-2024-45813 being exploited?
There is no known exploitation of CVE-2024-45813 in the wild and no public exploit code.
Sources
Also known as GHSA-rrr8-f88r-h8q6.