CVE Catalog

CVE-2004-1291

High
Published: Translated: NVD NIST

Summary

Buffer overflow vulnerability in qwik-smtpd allows a remote attacker to use the server as an SMTP spam relay by sending a long HELO command, which overwrites the adjacent localIP data buffer.

Risk Assessment

The organization is at risk of having its mail server used for spam distribution, which may lead to IP address blacklisting on RBL lists and domain reputation damage.

Recommendation

Immediately update qwik-smtpd to the latest available version or apply a patch that fixes the buffer overflow vulnerability in the HELO command handling.

Related vulnerabilities

Original NVD description (English source)

Buffer overflow in qwik-smtpd allows remote attackers to use the server as an SMTP spam relay via a long HELO command, which overwrites the adjacent localIP data buffer.

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