RealNetworks RealPlayer up to 14.0.5 qcpfformat.dll memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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10.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in RealNetworks RealPlayer and classified as critical. Impacted is an unknown function in the library qcpfformat.dll. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2011-2950. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in RealNetworks RealPlayer (Multimedia Player Software). It has been declared as very critical. Affected by this vulnerability is an unknown part in the library qcpfformat.dll. 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:

Heap-based buffer overflow in qcpfformat.dll in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.5 and RealPlayer SP 1.0 through 1.1.5 allows remote attackers to execute arbitrary code via a crafted QCP file.

The weakness was disclosed 08/18/2011 (Website). It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2011-2950 since 07/27/2011. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/14/2025). It is expected to see the exploit prices for this product decreasing in the near future.

A public exploit has been developed in Ruby. It is possible to download the exploit at securityfocus.com. It is declared as highly functional. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 55908 (RealPlayer for Windows < Build 12.0.1.666 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 119517 (Real Networks RealPlayer Multiple Remote 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 11229.

The vulnerability is also documented in the databases at X-Force (69268), Exploit-DB (17849), Tenable (55908), SecurityFocus (BID 49172†) and SecurityTracker (ID 1025943†). The entries VDB-58833, VDB-58332, VDB-58331 and VDB-58330 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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Website

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

AVACAuCIA
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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: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 55908
Nessus Name: RealPlayer for Windows < Build 12.0.1.666 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902621
OpenVAS Name: RealNetworks RealPlayer Multiple Vulnerabilities (Win) - Aug11
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/realplayer_qcp_parsing
Saint Name: RealNetworks RealPlayer QCP Parsing

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: realplayer_qcp.rb
MetaSploit Name: RealNetworks Realplayer QCP Parsing Heap Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

07/27/2011 🔍
08/16/2011 +20 days 🔍
08/17/2011 +1 days 🔍
08/18/2011 +1 days 🔍
08/18/2011 +0 days 🔍
08/21/2011 +3 days 🔍
03/23/2015 +1310 days 🔍
06/14/2025 +3736 days 🔍

Sourcesinfo

Vendor: realnetworks.com

Advisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-2950 (🔍)
GCVE (CVE): GCVE-0-2011-2950
GCVE (VulDB): GCVE-100-58327
X-Force: 69268
SecurityFocus: 49172
Secunia: 44014
SecurityTracker: 1025943 - RealPlayer Flaws Let Remote Users Execute Arbitrary Code
Vulnerability Center: 32781 - RealNetworks RealPlayer Remote Arbitrary Code Execution Vulnerability via a Crafted QCP File, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 06/14/2025 05:18
Changes: 03/23/2015 16:50 (72), 03/30/2017 09:33 (17), 11/18/2021 08:05 (3), 06/14/2025 05:18 (15)
Complete: 🔍
Cache ID: 216::103

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