GCVE-110-OSM-2021-5

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published September 8, 2021

Malicious Laravel package containing backdoor for remote code execution. Backdoor embedded in QRCodeServiceProvider boot() method, automatically executed by Laravel framework. Laravel auto-calls boot() method of QRCodeServiceProvider class, enabling persistent backdoor. Remote command execution triggered via URL parameter ?run=[command] on any page of the infected site. Provides full web shell capabilities. Related to fr3on/neutron package by same author (Ahmed Mardi, Egyptian PHP developer).

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

9.6/10

Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown	laraveli/qr-code	All versions affected (affected)	—

References

Malicious packagist package: laraveli/qr-code

advisory

vendor

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