Executive Summary
Summary | |
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Title | RealFlex RealWin buffer overflow |
Informations | |||
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Name | VU#976484 | First vendor Publication | 2008-12-02 |
Vendor | VU-CERT | Last vendor Modification | 2009-01-13 |
Severity (Vendor) | N/A | Revision | M |
Security-Database Scoring CVSS v3
Cvss vector : N/A | |||
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Overall CVSS Score | NA | ||
Base Score | NA | Environmental Score | NA |
impact SubScore | NA | Temporal Score | NA |
Exploitabality Sub Score | NA | ||
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C) | |||
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Cvss Base Score | 10 | Attack Range | Network |
Cvss Impact Score | 10 | Attack Complexity | Low |
Cvss Expoit Score | 10 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
Vulnerability Note VU#976484RealFlex RealWin buffer overflowOverviewRealFlex RealWin demo version contains a vulnerability in the way "FC_INFOTAG/SET_CONTROL" packets are processed.I. DescriptionRealFlex RealWin is SCADA server software that includes a Human Machine Interface (HMI) componant and runs on Microsoft Windows 2000 or XP. The demo version of RealWin contains a stack overflow in the way malicious "FC_INFOTAG/SET_CONTROL" packets are processed. According to Reversemode:The bug is a classic stack overflow while processing a specially crafted FC_INFOTAG/SET_CONTROL packet. RealWin server accepts connections from FlewWin clients which use a propietary protocol. We can exploit this flaw from remote without having valid credentials. II. ImpactThis vulnerability could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service.III. SolutionUpdateRealFlex has made a fixed version of the demo software available to address this issue. See http://www.realflex.com/download/form.php for more information.
References
This issue was reported by Ruben Santamarta of Reversemode. This document was written by Chris Taschner.
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Original Source
Url : http://www.kb.cert.org/vuls/id/976484 |
CWE : Common Weakness Enumeration
% | Id | Name |
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100 % | CWE-119 | Failure to Constrain Operations within the Bounds of a Memory Buffer |
CPE : Common Platform Enumeration
Type | Description | Count |
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Application | 1 |
SAINT Exploits
Description | Link |
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DATAC RealWin SCADA Server FC_INFOTAG/SET_CONTROL buffer overflow | More info here |
Open Source Vulnerability Database (OSVDB)
Id | Description |
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48606 | DATAC RealWin Crafted INFOTAG / SET_CONTROL Packet Handling Remote Overflow A buffer overflow exists in RealWin. The application fails to validate FC_INFOTAG/SET_CONTROL packets resulting in a stack overflow. With a specially crafted packet, a remote attacker can cause arbitrary code resulting in a loss of integrity. |
Snort® IPS/IDS
Date | Description |
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2014-01-10 | DATAC RealWin SCADA System buffer overflow attempt RuleID : 14769 - Revision : 9 - Type : SERVER-OTHER |