RealNetworks Helix Universal Server 9.0.1/9.0.2 Request denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in RealNetworks Helix Universal Server 9.0.1/9.0.2. Affected by this vulnerability is an unknown functionality of the component Request Handler. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2004-0389. Furthermore, an exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in RealNetworks Helix Universal Server 9.0.1/9.0.2. Affected by this issue is an unknown functionality of the component Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:
RealNetworks Helix Universal Server 9.0.1 and 9.0.2 allows remote attackers to cause a denial of service (crash) via malformed requests that trigger a null dereference, as demonstrated using (1) GET_PARAMETER or (2) DESCRIBE requests.
The weakness was published 06/01/2004 (Website). The advisory is available at idefense.com. This vulnerability is handled as CVE-2004-0389 since 04/09/2004. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.
The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 12210 (Helix RealServer HTTP GET Request DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38268 (Real Networks Helix Universal Server Denial of Service Vulnerability).
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (15880), Exploit-DB (24010), Tenable (12210), SecurityFocus (BID 10157†) and Secunia (SA11395†). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.realnetworks.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 12210
Nessus Name: Helix RealServer HTTP GET Request DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Timeline
04/09/2004 🔍04/15/2004 🔍
04/15/2004 🔍
04/15/2004 🔍
04/25/2004 🔍
06/01/2004 🔍
06/01/2004 🔍
10/16/2014 🔍
08/03/2025 🔍
Sources
Vendor: realnetworks.comAdvisory: idefense.com⛔
Status: Confirmed
CVE: CVE-2004-0389 (🔍)
GCVE (CVE): GCVE-0-2004-0389
GCVE (VulDB): GCVE-100-21890
X-Force: 15880
SecurityFocus: 10157 - Real Networks Helix Universal Server Denial of Service Vulnerability
Secunia: 11395
Vulnerability Center: 4182 - RealNetworks Helix Universal Server Allow DoS, Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 10/16/2014 17:32Updated: 08/03/2025 14:50
Changes: 10/16/2014 17:32 (68), 05/21/2019 09:56 (3), 07/12/2025 23:07 (20), 08/03/2025 14:50 (11)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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