CVE Catalog

CVE-2004-2375

High
Published: Translated: NVD NIST

Summary

A buffer overflow in the POP3 server of 1st Class Mail Server 4.0 via an APOP USER command with a long second parameter (digest) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code.

Risk Assessment

The risk includes service disruption and potential remote code execution, which could lead to full server compromise.

Recommendation

It is recommended to immediately upgrade 1st Class Mail Server to a patched version or apply network-level mitigations to block malicious APOP requests.

Related vulnerabilities

Original NVD description (English source)

Buffer overflow in the POP3 server in 1st Class Mail Server 4.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an APOP USER command with a long second parameter (digest).

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