CVE-2024-27920

Unsigned code template execution through workflows in projectdiscovery/nuclei

Severity Score

7.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

projectdiscovery/nuclei is a fast and customisable vulnerability scanner based on simple YAML based DSL. A significant security oversight was identified in Nuclei v3, involving the execution of unsigned code templates through workflows. This vulnerability specifically affects users utilizing custom workflows, potentially allowing the execution of malicious code on the user's system. This advisory outlines the impacted users, provides details on the security patch, and suggests mitigation strategies. The vulnerability is addressed in Nuclei v3.2.0. Users are strongly recommended to update to this version to mitigate the security risk. Users should refrain from using custom workflows if unable to upgrade immediately. Only trusted, verified workflows should be executed.

projectdiscovery/nuclei es un escáner de vulnerabilidades rápido y personalizable basado en DSL simple basado en YAML. Se identificó un importante descuido de seguridad en Nuclei v3, que implica la ejecución de plantillas de código sin firmar a través de flujos de trabajo. Esta vulnerabilidad afecta específicamente a los usuarios que utilizan flujos de trabajo personalizados, lo que potencialmente permite la ejecución de código malicioso en el sistema del usuario. Este aviso describe a los usuarios afectados, proporciona detalles sobre el parche de seguridad y sugiere estrategias de mitigación. La vulnerabilidad se aborda en Nuclei v3.2.0. Se recomienda encarecidamente a los usuarios que actualicen a esta versión para mitigar el riesgo de seguridad. Los usuarios deben abstenerse de utilizar flujos de trabajo personalizados si no pueden actualizar inmediatamente. Sólo se deben ejecutar flujos de trabajo confiables y verificados.

*Credits: N/A

CVSS Scores

GitHubv3.1 7.4

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-02-28 CVE Reserved
2024-03-15 CVE Published
2024-03-16 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (5)

URL	Tag	Source
https://docs.projectdiscovery.io/templates/protocols/code	X_refsource_misc
https://docs.projectdiscovery.io/templates/reference/template-signing	X_refsource_misc
https://docs.projectdiscovery.io/templates/workflows/overview	X_refsource_misc
https://github.com/projectdiscovery/nuclei/pull/4822	X_refsource_misc
https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-w5wx-6g2r-r78q	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Projectdiscovery Search vendor "Projectdiscovery"		Nuclei Search vendor "Projectdiscovery" for product "Nuclei"				>= 3.0.0 < 3.2.0 Search vendor "Projectdiscovery" for product "Nuclei" and version " >= 3.0.0 < 3.2.0"		en		Affected