CVE Catalog

CVE-2004-1799

High
Published: Translated: NVD NIST

Summary

In certain OpenBSD versions, PF (Packet Filter) with stateful filtering enabled does not restrict packets for a session to the original interface, allowing remote attackers to bypass intended packet filters via spoofed packets to other interfaces.

Risk Assessment

An attacker can bypass firewall rules and gain unauthorized access to protected resources or conduct attacks circumventing network traffic controls.

Recommendation

Update the OpenBSD system to a version where this vulnerability is fixed, or apply the appropriate security patches provided by the vendor.

Related vulnerabilities

Original NVD description (English source)

PF in certain OpenBSD versions, when stateful filtering is enabled, does not limit packets for a session to the original interface, which allows remote attackers to bypass intended packet filters via spoofed packets to other interfaces.

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