CVE Catalog

CVE-2004-1166

High
Published: Translated: NVD NIST

Summary

CRLF injection vulnerability in Microsoft Internet Explorer 6.0.2800.1106 and earlier allows remote attackers to execute arbitrary FTP commands via an ftp:// URL that contains a URL-encoded newline (%0a) before the FTP command, which causes the commands to be inserted into the resulting FTP session, as demonstrated using a PORT command.

Risk Assessment

An attacker can hijack the victim's FTP session, performing unauthorized operations on the FTP server such as file transfers or configuration changes, potentially leading to data confidentiality and integrity breaches.

Recommendation

It is recommended to immediately update Internet Explorer to the latest available version and apply security patches released by Microsoft. Consider using an alternative browser that is not vulnerable to this type of attack.

Related vulnerabilities

Original NVD description (English source)

CRLF injection vulnerability in Microsoft Internet Explorer 6.0.2800.1106 and earlier allows remote attackers to execute arbitrary FTP commands via an ftp:// URL that contains a URL-encoded newline ("%0a") before the FTP command, which causes the commands to be inserted into the resulting FTP session, as demonstrated using a PORT command.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS