RealNetworks RealPlayer up to 11.0.5 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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10.0$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in RealNetworks RealPlayer up to 11.0.5. This issue affects some unknown processing. The manipulation results in memory corruption. This vulnerability is known as CVE-2009-4241. No exploit is available.

Detailsinfo

A vulnerability classified as very critical has been found in RealNetworks RealPlayer up to 11.0.5 (Multimedia Player Software). Affected is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow 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 execute arbitrary code via a file with invalid ASMRuleBook structures that trigger heap memory corruption.

The weakness was published 01/25/2010 by Peter Vreugdenhil (TippingPoint) with TippingPoint's Zero Day Initiative (Website). The advisory is shared for download at zerodayinitiative.com. This vulnerability is traded as CVE-2009-4241. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (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 44119 (RealPlayer for Windows < Build 12.0.0.319 Multiple Buffer Overflows), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5783.

The vulnerability is also documented in the databases at X-Force (55794), Tenable (44119), SecurityFocus (BID 37880†), Secunia (SA38218†) and SecurityTracker (ID 1023489†). Similar entries are available at VDB-3923, VDB-46364, VDB-51668 and VDB-51667. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 10.0

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 44119
Nessus Name: RealPlayer for Windows < Build 12.0.0.319 Multiple Buffer Overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902108
OpenVAS Name: RealNetworks RealPlayer Multiple Code Execution Vulnerabilities (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

Timelineinfo

12/09/2009 🔍
01/20/2010 +42 days 🔍
01/20/2010 +0 days 🔍
01/25/2010 +5 days 🔍
01/25/2010 +0 days 🔍
01/26/2010 +1 days 🔍
03/18/2015 +1877 days 🔍
04/29/2026 +4060 days 🔍

Sourcesinfo

Vendor: realnetworks.com

Advisory: zerodayinitiative.com
Researcher: Peter Vreugdenhil (TippingPoint)
Organization: TippingPoint's Zero Day Initiative
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-4241 (🔍)
GCVE (CVE): GCVE-0-2009-4241
GCVE (VulDB): GCVE-100-51660
X-Force: 55794
SecurityFocus: 37880 - Multiple RealNetworks Products Multiple Remote Vulnerabilities
Secunia: 38218
SecurityTracker: 1023489
Vulnerability Center: 24684 - RealPlayer Arbitrary Code Execution Vulnerability via a File With Invalid ASMRuleBook Structures, Medium

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 04/29/2026 03:36
Changes: 03/18/2015 15:15 (61), 02/20/2017 10:13 (11), 08/31/2021 15:11 (3), 08/31/2021 15:16 (1), 03/15/2025 04:26 (15), 03/23/2025 03:24 (1), 04/29/2026 03:36 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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