CWE-9: J2EE Misconfiguration: Weak Access Permissions for EJB Methods

Description

If elevated access rights are assigned to EJB methods, then an attacker can take advantage of the permissions to exploit the product.

Extended Description

If the EJB deployment descriptor contains one or more method permissions that grant access to the special ANYONE role, it indicates that access control for the application has not been fully thought through or that the application is structured in such a way that reasonable access control restrictions are impossible.

ThreatScore

Threat Mapped score: 0.0

Industry: Finiancial

Threat priority: Unclassified

Observed Examples (CVEs)

No observed examples available.

Related Attack Patterns (CAPEC)

N/A

Attack TTPs

N/A

Modes of Introduction

Phase	Note
Architecture and Design	N/A
Implementation	N/A

Common Consequences

Impact: Other — Notes:

Potential Mitigations

Architecture and Design: Follow the principle of least privilege when assigning access rights to EJB methods. Permission to invoke EJB methods should not be granted to the ANYONE role. (N/A)

Applicable Platforms

None listed.

Demonstrative Examples

Intro: The following deployment descriptor grants ANYONE permission to invoke the Employee EJB's method named getSalary().

<ejb-jar> ... <assembly-descriptor> <method-permission> <role-name>ANYONE</role-name> <method> <ejb-name>Employee</ejb-name> <method-name>getSalary</method-name> </method-permission> </assembly-descriptor> ... </ejb-jar>

Notes

No notes available.

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