CVE-2018-15133: Laravel Framework RCE Vulnerability

CVE-2018-15133 · Severity: critical · CVSS 3.1 · Exploited in the wild · Published 2022-05-14

Laravel Framework contains a deserialization of untrusted data vulnerability in the decrypt method of the Encrypter component. An attacker can achieve remote code execution by sending a specially crafted X-XSRF-TOKEN value, provided they have knowledge of the application's encryption key (APP_KEY).

Technologies: laravel/framework (Packagist). Vendors: Laravel, Packagist.

Quick answers

Is CVE-2018-15133 exploited in the wild?
Yes. CVE-2018-15133 is known to be exploited in the wild, first recorded on 16 January 2024. Treat it as urgent.
How severe is CVE-2018-15133?
Critical severity, with a CVSS score of 3.1, published 14 May 2022.
Which products and versions are affected?
laravel/framework (Packagist) ECOSYSTEM:introduced=0,last_affected=5.5.40.
Is there a fix for CVE-2018-15133?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2018-15133 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2018-15133?
Check whether you run Laravel Framework or laravel/framework (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Laravel Laravel Framework through 5.5.40, 5.6.x through 5.6.29

Identifiers

  • CVE-2018-15133
  • GHSA-qvqm-h22r-4cp9

Timeline

  • 2018-08-09: disclosed: NVD Published Date
  • 2024-01-16: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2024-01-16: exploited: Reported as exploited in the wild in CISA KEV update

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