CVE-2023-28104 silverstripe/graphql Denial of Service vulnerability
An attacker can cause a denial of service on websites using the Silverstripe GraphQL library by sending specially crafted queries to exposed endpoints.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-28104?
CVE-2023-28104 is a high-severity denial of service vulnerability in silverstripe-graphql, published on 16 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
`silverstripe/graphql` serves Silverstripe data as GraphQL representations. In versions 4.2.2 and 4.1.1, an attacker could use a specially crafted graphql query to execute a denial of service attack against a website which has a publicly exposed graphql endpoint. This mostly affects websites with particularly large/complex graphql schemas. Users should upgrade to `silverstripe/graphql` 4.2.3 or 4.1.2 to remedy the vulnerability.
Weakness: CWE-770
Which versions are affected by CVE-2023-28104?
4 open source packages ship an affected version, including silverstripe/graphql. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
silverstripe/graphql Packagist | From 4.1.1 | 4.1.2 |
silverstripe/graphql Packagist | From 4.1.1 | 4.1.2 |
silverstripe/graphql Packagist | From 4.2.2 | 4.2.3 |
silverstripe/graphql Packagist | From 4.2.2 | 4.2.3 |
Products include Silverstripe Graphql.
How do I fix CVE-2023-28104?
Upgrade silverstripe/graphql to a fixed version for your release line: 4.1.2 or 4.2.3.
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-2023-28104 being exploited?
There is no known exploitation of CVE-2023-28104 in the wild and no public exploit code.
Other vulnerabilities in silverstripe-graphql
Sources
Also known as GHSA-67g8-c724-8mp3.