RealNetworks RealPlayer up to 11.0.5 HandleSetParameterRequest memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 10.0 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in RealNetworks RealPlayer up to 11.0.5. It has been rated as critical. Affected by this vulnerability is the function RTSPProtocol::HandleSetParameterRequest. This manipulation causes memory corruption.
This vulnerability is tracked as CVE-2009-4248. No exploit exists.
Details
A vulnerability was found in RealNetworks RealPlayer up to 11.0.5 (Multimedia Player Software). It has been declared as very critical. Affected by this vulnerability is the function RTSPProtocol::HandleSetParameterRequest. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Buffer overflow in the RTSPProtocol::HandleSetParameterRequest function in client/core/rtspprotocol.cpp in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPlayer 10 and 10.1, Linux RealPlayer 10, and Helix Player 10.x allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted RTSP SET_PARAMETER request.
The weakness was disclosed 01/25/2010 by Peter Vreugdenhil (TippingPoint) with TippingPoint's Zero Day Initiative (Website). It is possible to read the advisory at vupen.com. This vulnerability is known as CVE-2009-4248. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/29/2026). It is expected to see the exploit prices for this product decreasing in the near future.
The vulnerability scanner Nessus provides a plugin with the ID 44428 (CentOS 4 : HelixPlayer (CESA-2010:0094)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116821 (RealPlayer Multiple Vulnerabilities).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (55801), Tenable (44428), SecurityFocus (BID 37880†) and Vulnerability Center (SBV-24691†). The entries VDB-3923, VDB-46364, VDB-51893 and VDB-51892 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
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: 10.0VulDB Meta Temp Score: 10.0
VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 44428
Nessus Name: CentOS 4 : HelixPlayer (CESA-2010:0094)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 880364
OpenVAS Name: CentOS Update for HelixPlayer CESA-2010:0094 centos4 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/09/2009 🔍01/20/2010 🔍
01/20/2010 🔍
01/25/2010 🔍
01/25/2010 🔍
01/26/2010 🔍
03/18/2015 🔍
04/29/2026 🔍
Sources
Vendor: realnetworks.comAdvisory: vupen.com⛔
Researcher: Peter Vreugdenhil (TippingPoint)
Organization: TippingPoint's Zero Day Initiative
Status: Not defined
Confirmation: 🔍
CVE: CVE-2009-4248 (🔍)
GCVE (CVE): GCVE-0-2009-4248
GCVE (VulDB): GCVE-100-51667
OVAL: 🔍
IAVM: 🔍
X-Force: 55801
SecurityFocus: 37880 - Multiple RealNetworks Products Multiple Remote Vulnerabilities
Vulnerability Center: 24691 - RealPlayer Remote Arbitrary Code Execution Vulnerability via a Crafted RTSP SET_PARAMETER Request, Medium
See also: 🔍
Entry
Created: 03/18/2015 15:15Updated: 04/29/2026 05:22
Changes: 03/18/2015 15:15 (65), 02/20/2017 10:14 (11), 08/31/2021 16:36 (3), 08/31/2021 16:43 (1), 04/29/2026 05:22 (15)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.