CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')

Description

The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.

Submission Date :

July 19, 2006, midnight

Modification Date :

2023-06-29 00:00:00+00:00

Organization :

MITRE
Example Vulnerable Codes

Example - 1

If user input data that eventually makes it to a log message isn't checked for CRLF characters, it may be possible for an attacker to forge entries in a log file.

logger.info("User's street address: " + request.getParameter("streetAddress"));

Visit http://cwe.mitre.org/ for more details.

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