CVE Catalog

CVE-2004-1636

High
Published: Translated: NVD NIST

Summary

A heap-based buffer overflow in the WvTFTPServer::new_connection function in wvtftpserver.cc for WvTftp 0.9 allows remote attackers to execute arbitrary code via a long option string in a TFTP packet.

Risk Assessment

The risk for the organization is the possibility of remote code execution on the TFTP server without authentication, potentially leading to data integrity and confidentiality breaches.

Recommendation

It is recommended to immediately upgrade WvTftp to a version after 0.9 or apply a security patch. If upgrading is not possible, restrict access to the TFTP server to trusted networks only.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in the WvTFTPServer::new_connection function in wvtftpserver.cc for WvTftp 0.9 allows remote attackers to execute arbitrary code via a long option string in a TFTP packet.

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