CVE Catalog

CVE-2004-0774

High
Published: Translated: NVD NIST

Summary

RealNetworks Helix Universal Server 9.0.2 for Linux and 9.0.3 for Windows allows remote attackers to cause a denial of service (CPU and memory exhaustion) via a POST request with a Content-Length header set to -1.

Risk Assessment

The attack can lead to complete exhaustion of server resources, preventing legitimate users from being served and causing service downtime.

Recommendation

Update RealNetworks Helix Universal Server to a version that fixes this vulnerability, or apply firewall rules to block POST requests with invalid Content-Length header values.

Related vulnerabilities

Original NVD description (English source)

RealNetworks Helix Universal Server 9.0.2 for Linux and 9.0.3 for Windows allows remote attackers to cause a denial of service (CPU and memory exhaustion) via a POST request with a Content-Length header set to -1.

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