RealNetworks Helix Universal Server/RealSystem Server RTSP Parser vsrcplin.so memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.05

A vulnerability was found in RealNetworks Helix Universal Server and RealSystem Server (unknown version). It has been rated as critical. This issue affects an unknown code block in the library vsrcplin3260.dll of the file vsrcplin.so of the component RTSP Parser. 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. The summary by CVE is:

Buffer overflow in the RTSP protocol parser for the View Source plug-in (vsrcplin.so or vsrcplin3260.dll) for RealNetworks Helix Universal Server 9 and RealSystem Server 8, 7 and RealServer G2 allows remote attackers to execute arbitrary code.

The weakness was shared 08/22/2003 by Dave Aitel with Immunity, Inc. as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. The identification of this vulnerability is CVE-2003-0725 since 09/02/2003. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at immunitysec.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 11642 (Helix Servers View Source Plug-in RTSP Parser 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.

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 2411. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2334.

The vulnerability is also documented in the databases at X-Force (13004), Tenable (11642) and Exploit-DB (86). The entries 82, 332, 333 and 427 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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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

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 11642
Nessus Name: Helix Servers View Source Plug-in RTSP Parser Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 11642
OpenVAS Name: Helix RealServer Buffer Overrun
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 2411
Snort Message: SERVER-WEBAPP RealNetworks RealSystem Server DESCRIBE buffer overflow attempt
Snort Class: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
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PaloAlto IPS: 🔍

Timelineinfo

01/01/2003 🔍
05/21/2003 +140 days 🔍
08/22/2003 +93 days 🔍
08/22/2003 +0 days 🔍
08/25/2003 +3 days 🔍
09/01/2003 +7 days 🔍
09/02/2003 +1 days 🔍
10/20/2003 +48 days 🔍
04/09/2004 +171 days 🔍
08/15/2014 +3780 days 🔍
05/12/2019 +1731 days 🔍

Sourcesinfo

Vendor: realnetworks.com

Advisory: kb.cert.org
Researcher: Dave Aitel
Organization: Immunity, Inc.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2003-0725 (🔍)
X-Force: 13004
Vulnerability Center: 1864 - Buffer Overflow in Real Networks Helix/RealServer View Source Plugin Enables Code Execution, Critical
SecurityFocus: 8476 - Real Networks Helix Universal Server Remote Buffer Overflow Vulnerability
Secunia: 9593 - Helix Universal Server Remotely Exploitable Vulnerability, Highly Critical
OSVDB: 11772 - RealNetworks Helix Universal Server View Source Plug-in RTSP Parser Overflow

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

Entryinfo

Created: 08/15/2014 14:21
Updated: 05/12/2019 09:17
Changes: 08/15/2014 14:21 (88), 05/12/2019 09:17 (8)
Complete: 🔍

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