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Vulnerability Details : CVE-2011-1563 (1 public exploit)

Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified "On_FC_BINFILE_FCS_*FILE", (7) On_FC_CGETTAG_FCS_GETTELEMETRY, (8) On_FC_CGETTAG_FCS_GETCHANNELTELEMETRY, (9) On_FC_CGETTAG_FCS_SETTELEMETRY, (10) On_FC_CGETTAG_FCS_SETCHANNELTELEMETRY, and (11) On_FC_SCRIPT_FCS_STARTPROG packets to port 910.
Publish Date : 2011-04-05 Last Update Date : 2011-09-21
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- CVSS Scores & Vulnerability Types

CVSS Score
10.0
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeOverflow
CWE ID 119

- Products Affected By CVE-2011-1563

# Product Type Vendor Product Version Update Edition Language
1 Application Realflex Realwin 1.06 Version Details Vulnerabilities
2 Application Realflex Realwin 2.0 Version Details Vulnerabilities
3 Application Realflex Realwin 2.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Realflex Realwin 3

- References For CVE-2011-1563

http://aluigi.org/adv/realwin_3-adv.txt
http://aluigi.org/adv/realwin_2-adv.txt
http://aluigi.org/adv/realwin_4-adv.txt
http://aluigi.org/adv/realwin_5-adv.txt
http://secunia.com/advisories/43848
SECUNIA 43848
http://aluigi.org/adv/realwin_8-adv.txt
http://aluigi.org/adv/realwin_7-adv.txt
Exploit! http://www.exploit-db.com/exploits/17025
EXPLOIT-DB 17025 DATAC RealWin Multiple Vulnerabilities Author:Luigi Auriemma Release Date:2011-03-22 (windows) dos
http://securityreason.com/securityalert/8176
SREASON 8176
http://www.securityfocus.com/bid/46937
BID 46937 DATAC RealWin SCADA Server Multiple Remote Buffer Overflow Vulnerabilities Release Date:2015-03-19
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf
http://www.vupen.com/english/advisories/2011/0742
VUPEN ADV-2011-0742

- Metasploit Modules Related To CVE-2011-1563

DATAC RealWin SCADA Server 2 On_FC_CONNECT_FCS_a_FILE Buffer Overflow
This module exploits a vulnerability found in DATAC Control International RealWin SCADA Server 2.1 and below. By supplying a specially crafted On_FC_BINFILE_FCS_*FILE packet via port 910, RealWin will try to create a file (which would be saved to C:\Program Files\DATAC\Real Win\RW-version\filename) by first copying the user- supplied filename with an inline memcpy routine without proper bounds checking, which results a stack-based buffer overflow, allowing arbitrary remote code execution. Tested version: 2.0 (Build 6.1.8.10)
Module type : exploit Rank : great Platforms : Windows
RealWin SCADA Server DATAC Login Buffer Overflow
This module exploits a stack buffer overflow in DATAC Control International RealWin SCADA Server 2.1 (Build 6.0.10.10) or earlier. By sending a specially crafted On_FC_CONNECT_FCS_LOGIN packet containing a long username, an attacker may be able to execute arbitrary code.
Module type : exploit Rank : great Platforms : Windows


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