RealNetworks RealServer G2 1.0 Administration Utility Username/Password memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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9.0 | $0-$5k | 0.00 |
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) and Tenable (10200). Similar entry is available at 14060.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.0
VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
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Nessus ID: 10200
Nessus Name: RealServer G2 Malformed Telnet Data Remote Overflow
Nessus File: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
11/04/1999 🔍11/04/1999 🔍
11/04/1999 🔍
11/04/1999 🔍
11/04/1999 🔍
10/08/2002 🔍
06/22/2014 🔍
06/23/2021 🔍
Sources
Vendor: realnetworks.comAdvisory: service.real.com
Status: Not defined
CVE: CVE-1999-0896 (🔍)
X-Force: 3448
Vulnerability Center: 41 - Buffer Overflow in RealNetworks RealServer via Long Username and Password, High
SecurityFocus: 767 - Real Server Administrator Port Buffer Overflow Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 06/22/2014 14:32Updated: 06/23/2021 10:07
Changes: 06/22/2014 14:32 (70), 05/04/2019 18:05 (1), 06/23/2021 10:07 (2)
Complete: 🔍
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