RealNetworks RealPlayer up to 11.0.5 smlrender.dll 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.
9.4$5k-$25k0.00

A vulnerability was found in RealNetworks RealPlayer up to 11.0.5 (Multimedia Player Software). It has been rated as very critical. Affected by this issue is an unknown functionality in the library smlrender.dll. The manipulation 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:

Heap-based buffer overflow in datatype/smil/common/smlpkt.cpp in smlrender.dll 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 11.0.0, and Helix Player 10.x and 11.0.0 allows remote attackers to execute arbitrary code via an SMIL file with crafted string lengths.

The weakness was presented 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 handled as CVE-2009-4257 since 12/09/2009. 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 08/31/2021). It is expected to see the exploit prices for this product decreasing in the near future.

It is declared as proof-of-concept. 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5907.

The vulnerability is also documented in the databases at X-Force (55798) and Tenable (44428).

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

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 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 🔍
01/20/2010 +0 days 🔍
01/21/2010 +1 days 🔍
01/25/2010 +4 days 🔍
01/25/2010 +0 days 🔍
02/15/2010 +21 days 🔍
03/18/2015 +1857 days 🔍
08/31/2021 +2358 days 🔍

Sourcesinfo

Vendor: realnetworks.com

Advisory: zerodayinitiative.com
Researcher: Peter Vreugdenhil (TippingPoint)
Organization: TippingPoint's Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-4257 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 55798
SecurityTracker: 1023489 - RealPlayer Buffer Overflows Let Remote Users Execute Arbitrary Code
Vulnerability Center: 24834 - Real Player Remote Arbitrary Code Execution via a SMIL File With Crafted String Lengths, Medium
SecurityFocus: 37880 - Multiple RealNetworks Products Multiple Remote Vulnerabilities
Secunia: 38218 - RealPlayer Multiple Vulnerabilities, Highly Critical
Vupen: ADV-2010-0178

Entryinfo

Created: 03/18/2015 03:15 PM
Updated: 08/31/2021 04:51 PM
Changes: 03/18/2015 03:15 PM (69), 02/21/2017 08:02 AM (20), 08/31/2021 04:51 PM (2)
Complete: 🔍
Cache ID: 44:45B:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!