RealNetworks RealPlayer up to 11.1 Protocol smil memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in RealNetworks RealPlayer up to 11.1 (Multimedia Player Software) and classified as very critical. Affected by this issue is an unknown functionality of the component Protocol Handler. The manipulation of the argument smil with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple heap-based buffer overflows in an ActiveX control in RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1.4 allow remote attackers to execute arbitrary code via a long .smil argument to the (1) tfile, (2) pnmm, or (3) cdda protocol handler.

The weakness was disclosed 10/18/2010 by Sebastian Apelt (TippingPoint) with TippingPoint's Zero Day Initiative (Website). The advisory is shared for download at This vulnerability is handled as CVE-2010-3751 since 10/05/2010. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/27/2021). 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 48907 (RealPlayer for Windows < Build Multiple Vulnerabilities), 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 118442 (RealPlayer Update for 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 10057.

The vulnerability is also documented in the databases at X-Force (62613), Tenable (48907), SecurityFocus (BID 44144†) and Vulnerability Center (SBV-27931†).







CPE 2.3info

CPE 2.2info


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

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 48907
Nessus Name: RealPlayer for Windows < Build Multiple Vulnerabilities
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Nessus Risk: 🔍
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OpenVAS ID: 801672
OpenVAS Name: RealNetworks RealPlayer Multiple Vulnerabilities (Win) - Dec10
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Threat Intelligenceinfo

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Recommended: no mitigation known
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0-Day Time: 🔍
TippingPoint: 🔍


10/05/2010 🔍
10/15/2010 +10 days 🔍
10/15/2010 +0 days 🔍
10/18/2010 +3 days 🔍
10/18/2010 +0 days 🔍
10/27/2010 +9 days 🔍
03/19/2015 +1604 days 🔍
09/27/2021 +2384 days 🔍



Researcher: Sebastian Apelt (TippingPoint)
Organization: TippingPoint's Zero Day Initiative
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-3751 (🔍)
X-Force: 62613
SecurityFocus: 44144 - RETIRED: Real Networks RealPlayer SP and RealPlayer Enterprise Multiple Security Vulnerabilities
Secunia: 41096
Vulnerability Center: 27931 - RealNetworks RealPlayer and RealPlayer SP Remote Multiple Heap-Based Buffer Overflow Vulnerabilities, Medium


Created: 03/19/2015 02:37 PM
Updated: 09/27/2021 10:37 AM
Changes: 03/19/2015 02:37 PM (63), 03/08/2017 09:24 PM (13), 09/27/2021 10:37 AM (4)
Complete: 🔍
Cache ID: 3:E5A:40


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