Vulnerability · Published Dec 9, 2024 · Assigned by drupal

CVE-2024-55637Drupal core - Moderately critical - Gadget chain - SA-CORE-2024-007

Critical 9.8

In plain English

A critical-severity security flaw in Drupal Core from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 42.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.This issue affects Drupal Core: from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9, from 11.0.0 before 11.0.8. Drupal core contains a chain of methods that is exploitable when an insecure deserialization vulnerability exists on the site. This so-called gadget chain presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistdrupal/core10.2.11, 10.3.9, 11.0.8DRUPAL-CORE-2024-007
Packagistdrupal/core10.2.11GHSA-w6rx-9g2x-mg5g
Packagistdrupal/core10.3.9GHSA-w6rx-9g2x-mg5g
Packagistdrupal/core11.0.8GHSA-w6rx-9g2x-mg5g
Packagistdrupal/core-recommended10.2.11GHSA-w6rx-9g2x-mg5g
Packagistdrupal/core-recommended10.3.9GHSA-w6rx-9g2x-mg5g
Packagistdrupal/core-recommended11.0.8GHSA-w6rx-9g2x-mg5g
Packagistdrupal/drupal10.2.11GHSA-w6rx-9g2x-mg5g
Packagistdrupal/drupal10.3.9GHSA-w6rx-9g2x-mg5g
Packagistdrupal/drupal11.0.8GHSA-w6rx-9g2x-mg5g

Affected products (as reported)

VendorProductVersions
Drupal Drupal Core 8.0.0 – before 10.2.1110.3.0 – before 10.3.911.0.0 – before 11.0.8

Weakness: CWE-915 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References