RealNetworks Helix Server 14.2.0.212 rn5auth Credentials memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in RealNetworks Helix Server 14.2.0.212. This impacts an unknown function of the component rn5auth. The manipulation as part of Credentials leads to memory corruption. This vulnerability is traded as CVE-2012-0942. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in RealNetworks Helix Server 14.2.0.212. This issue affects an unknown functionality of the component rn5auth. The manipulation as part of a Credentials 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. The summary by CVE is:

Buffer overflow in rn5auth.dll in RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x allows remote attackers to execute arbitrary code via crafted authentication credentials.

The weakness was shared 04/02/2012 by Derek Brown with Microsoft Vulnerability Research (Website) via ZDI (Zero Day Initiative). The advisory is shared at helixproducts.real.com. The identification of this vulnerability is CVE-2012-0942 since 01/31/2012. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 251 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 58724 (RealNetworks Helix Server 14.x < 14.3.x Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc..

Upgrading to version 14.3.x eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12401.

The vulnerability is also documented in the databases at X-Force (74676), Tenable (58724), SecurityFocus (BID 52929†), OSVDB (81056†) and Secunia (SA45414†). The entries VDB-5066, VDB-5067, VDB-5068 and VDB-5070 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58724
Nessus Name: RealNetworks Helix Server 14.x < 14.3.x Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 103475
OpenVAS Name: RealNetworks Helix Server Multiple Remote Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Helix Server 14.3.x
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

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

Timelineinfo

07/26/2011 🔍
07/29/2011 +3 days 🔍
01/31/2012 +186 days 🔍
04/02/2012 +62 days 🔍
04/09/2012 +7 days 🔍
04/12/2012 +3 days 🔍
04/13/2012 +1 days 🔍
04/13/2012 +0 days 🔍
04/17/2012 +4 days 🔍
04/17/2012 +0 days 🔍
04/30/2012 +13 days 🔍
05/18/2025 +4766 days 🔍

Sourcesinfo

Vendor: realnetworks.com

Advisory: helixproducts.real.com
Researcher: Derek Brown
Organization: Microsoft Vulnerability Research
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-0942 (🔍)
GCVE (CVE): GCVE-0-2012-0942
GCVE (VulDB): GCVE-100-5069

IAVM: 🔍

X-Force: 74676
SecurityFocus: 52929 - RealNetworks Helix Server Multiple Remote Vulnerabilities
Secunia: 45414 - RealNetworks Helix Server Multiple Vulnerabilities, Highly Critical
OSVDB: 81056
SecurityTracker: 1026898
Vulnerability Center: 34963 - RealNetworks Helix Server and Helix Mobile Server 14.x Before 14.3.x rn5auth Remote Buffer Overflow, High

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

Entryinfo

Created: 04/13/2012 13:05
Updated: 05/18/2025 20:31
Changes: 04/13/2012 13:05 (82), 04/11/2017 11:05 (12), 03/22/2021 17:54 (2), 05/18/2025 20:31 (17)
Complete: 🔍
Cache ID: 216::103

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