RealNetworks RealServer G2 1.0 Administration Utility Username/Password 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 was found in RealNetworks RealServer G2 1.0. It has been rated as critical. The impacted element is an unknown function of the component Administration Utility. The manipulation of the argument Username/Password leads to memory corruption. This vulnerability is referenced as CVE-1999-0896. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in RealNetworks RealServer G2 1.0 and classified as critical. This issue affects an unknown function of the component Administration Utility. The manipulation of the argument Username/Password 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 RealNetworks RealServer administration utility allows remote attackers to execute arbitrary commands via a long username and password.

The weakness was published 11/04/1999 as not defined advisory (Website). The advisory is shared at service.real.com. The identification of this vulnerability is CVE-1999-0896. 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.

A public exploit has been developed in Assembler. The exploit is available at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 10200 (RealServer G2 Malformed Telnet Data 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.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (3448), Exploit-DB (19592), Tenable (10200), SecurityFocus (BID 767†) and Vulnerability Center (SBV-41†). Similar entry is available at VDB-14060. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10200
Nessus Name: RealServer G2 Malformed Telnet Data Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/1999 🔍
11/04/1999 +0 days 🔍
11/04/1999 +0 days 🔍
11/04/1999 +0 days 🔍
11/04/1999 +0 days 🔍
10/08/2002 +1069 days 🔍
06/22/2014 +4275 days 🔍
03/10/2025 +3913 days 🔍

Sourcesinfo

Vendor: realnetworks.com

Advisory: service.real.com
Status: Confirmed

CVE: CVE-1999-0896 (🔍)
GCVE (CVE): GCVE-0-1999-0896
GCVE (VulDB): GCVE-100-14945
X-Force: 3448
SecurityFocus: 767 - Real Server Administrator Port Buffer Overflow Vulnerability
Vulnerability Center: 41 - Buffer Overflow in RealNetworks RealServer via Long Username and Password, High

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

Entryinfo

Created: 06/22/2014 14:32
Updated: 03/10/2025 00:01
Changes: 06/22/2014 14:32 (70), 05/04/2019 18:05 (1), 06/23/2021 10:07 (2), 03/10/2025 00:01 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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