PT-2013-48: CRLF Injection in Oracle Containers for J2EE

Vulnerable software

Oracle Containers for J2EE
Version: and earlier


Severity level

Severity level: Medium
Impact: CRLF Injection
Access Vector: Remote

CVSS v2:
Base Score: 4.3
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVE: CVE-2014-0413

Software description

Oracle Containers for J2EE (OC4J) is the core J2EE runtime component of Oracle Application Server.

Vulnerability description

The specialists of the Positive Research center have detected a CRLF Injection vulnerability in Oracle Containers for J2EE.

Oracle Containers for J2EE does not properly validate the values from the HTTP headers. An attacker can use a crafted malicious HTTP response and display arbitrary data to the user in the context of the vulnerable application via adding the CRLF characters to the HTTP header value.

How to fix

Update your sofware up to the latest version

Advisory status

16.08.2013 - Vendor gets vulnerability details
15.04.2014 - Vendor releases fixed version and details
25.04.2014 - Public disclosure


The vulnerability was detected by Mikhail Firstov and Sergey Bobrov, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research: