CVE-2018-12533 : Security Advisory and Response

Remote attackers can inject expression language (EL) expressions and execute arbitrary Java code in JBoss RichFaces versions 3.1.0 through 3.3.4. This vulnerability is also known as RF-14310.

Understanding CVE-2018-12533

JBoss RichFaces 3.1.0 through 3.3.4 allows unauthenticated remote attackers to inject expression language (EL) expressions and execute arbitrary Java code via a /DATA/ substring in a path with an org.richfaces.renderkit.html.Paint2DResource$ImageData object.

What is CVE-2018-12533?

This CVE refers to a vulnerability in JBoss RichFaces versions 3.1.0 through 3.3.4 that enables remote attackers to inject EL expressions and execute Java code.

The Impact of CVE-2018-12533

Remote attackers can exploit this vulnerability to execute arbitrary Java code.
The issue can lead to unauthorized access and potential data breaches.

Technical Details of CVE-2018-12533

JBoss RichFaces versions 3.1.0 through 3.3.4 are affected by this vulnerability.

Vulnerability Description

Attackers can inject EL expressions and execute Java code by including a "/DATA/" substring in a path with a specific object type.

Affected Systems and Versions

JBoss RichFaces versions 3.1.0 through 3.3.4 are vulnerable to this exploit.

Exploitation Mechanism

By manipulating paths containing specific objects, attackers can inject EL expressions and execute Java code.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-12533.

Immediate Steps to Take

Update JBoss RichFaces to a patched version that addresses the vulnerability.
Implement strict input validation to prevent malicious input.
Monitor and restrict network access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch software to protect against known vulnerabilities.
Conduct security audits and penetration testing to identify and address weaknesses.
Educate developers and system administrators on secure coding practices.

Patching and Updates

Apply security patches provided by JBoss RichFaces to fix the vulnerability and enhance system security.