RealNetworks Helix DNA Server 10.0 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 marked as critical has been reported in RealNetworks Helix DNA Server. The affected element is an unknown function. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2007-4561. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in RealNetworks Helix DNA Server. Affected by this vulnerability is an unknown code. 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 the RTSP service in Helix DNA Server before 11.1.4 allows remote attackers to execute arbitrary code via an RSTP command containing multiple Require headers.

The bug was discovered 08/24/2007. The weakness was shared 08/27/2007 by Mu Security with Mu Security research team (Website). It is possible to read the advisory at marc.info. This vulnerability is known as CVE-2007-4561 since 08/27/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 25950 (RealNetworks Helix DNA Server RTSP Service Crafted Require Header Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gain a shell remotely and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 42029 (Helix DNA Server RTSP "Require" Header Buffer Overflow Vulnerability).

Upgrading to version 11.0 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5934.

The vulnerability is also documented in the databases at X-Force (36309), Tenable (25950), SecurityFocus (BID 25440†), OSVDB (39903†) and Secunia (SA26609†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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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: 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: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25950
Nessus Name: RealNetworks Helix DNA Server RTSP Service Crafted Require Header Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Helix DNA Server 11.0
TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

08/24/2007 🔍
08/24/2007 +0 days 🔍
08/25/2007 +1 days 🔍
08/25/2007 +0 days 🔍
08/27/2007 +2 days 🔍
08/27/2007 +0 days 🔍
08/27/2007 +0 days 🔍
08/27/2007 +0 days 🔍
08/28/2007 +1 days 🔍
09/02/2007 +5 days 🔍
03/16/2015 +2752 days 🔍
06/07/2025 +3736 days 🔍

Sourcesinfo

Vendor: realnetworks.com

Advisory: marc.info
Researcher: Mu Security
Organization: Mu Security research team
Status: Confirmed

CVE: CVE-2007-4561 (🔍)
GCVE (CVE): GCVE-0-2007-4561
GCVE (VulDB): GCVE-100-38539
X-Force: 36309
SecurityFocus: 25440 - RealNetworks Helix DNA Server RTSP Command Remote Heap Buffer Overflow Vulnerability
Secunia: 26609
OSVDB: 39903 - Real Networks - Helix DNA Server - RTSP Command - Remote Heap Buffer Overflow Issue
SecurityTracker: 1018605
Vulnerability Center: 15956 - Helix DNA Server Heap Based Buffer Overflow in the RTSP Service Allows Remote Code Execution, High
Vupen: ADV-2007-2986

Entryinfo

Created: 03/16/2015 12:18
Updated: 06/07/2025 18:17
Changes: 03/16/2015 12:18 (79), 07/25/2019 09:39 (3), 06/07/2025 18:17 (18)
Complete: 🔍
Cache ID: 216:672:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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