RealNetworks RealPlayer up to 18.1.5.705 VRAT Chunk qcpfformat.dll QCP Media File null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in RealNetworks RealPlayer up to 18.1.5.705. This issue affects some unknown processing in the library qcpfformat.dll of the component VRAT Chunk Handler. The manipulation as part of QCP Media File leads to null pointer dereference. This vulnerability is referenced as CVE-2016-9018. The attack can only be performed from a local environment. Furthermore, an exploit is available.
Details
A vulnerability was found in RealNetworks RealPlayer up to 18.1.5.705 (Multimedia Player Software). It has been rated as problematic. This issue affects an unknown functionality in the library qcpfformat.dll of the component VRAT Chunk Handler. The manipulation as part of a QCP Media File leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:
Improper handling of a repeating VRAT chunk in qcpfformat.dll allows attackers to cause a Null pointer dereference and crash in RealNetworks RealPlayer 18.1.5.705 through a crafted .QCP media file.
The weakness was published 10/28/2016 (Website). The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2016-9018 since 10/25/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known.
The exploit is available at exploit-db.com. It is declared as proof-of-concept.
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 Exploit-DB (40617) and SecurityFocus (BID 94239†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.realnetworks.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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OpenVAS ID: 54585
OpenVAS Name: RealNetworks RealPlayer QCP Denial of Service Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/25/2016 🔍10/28/2016 🔍
10/28/2016 🔍
10/28/2016 🔍
10/29/2016 🔍
04/13/2025 🔍
Sources
Vendor: realnetworks.comAdvisory: exploit-db.com
Status: Not defined
CVE: CVE-2016-9018 (🔍)
GCVE (CVE): GCVE-0-2016-9018
GCVE (VulDB): GCVE-100-93185
SecurityFocus: 94239 - RealNetworks RealPlayer CVE-2016-9018 Null Pointer Dereference Denial of Service Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 10/29/2016 19:08Updated: 04/13/2025 20:33
Changes: 10/29/2016 19:08 (56), 05/20/2019 06:05 (15), 04/13/2025 20:33 (18)
Complete: 🔍
Cache ID: 216:EE6:103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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