var-201104-0287
Vulnerability from variot

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. (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 (11)On_FC_SCRIPT_FCS_STARTPROG packets to port 910. DATAC RealWin is a SCADA server product that operates a single PC or multiple PCs over a TCP/IP network. DATAC RealWin SCADA Server can exploit vulnerabilities for buffer overflow attacks due to incorrect validation of user-supplied input. Successful exploitation of a vulnerability can execute arbitrary code in an application security context. DATAC RealWin is prone to multiple remote buffer-overflow vulnerabilities because of a failure to properly bounds check user-supplied input. Failed exploit attempts will cause a denial-of-service condition. DATAC RealWin versions 2.1 and prior are vulnerable; other versions may also be affected. ----------------------------------------------------------------------

Meet Secunia @ Microsoft Management Summit (MMS) in Las Vegas, USA (21-25 March).

http://secunia.com/company/events/mms_2011/


TITLE: RealWin FlexWin Connection Packet Processing Buffer Overflow Vulnerabilities

SECUNIA ADVISORY ID: SA43848

VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/43848/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=43848

RELEASE DATE: 2011-03-22

DISCUSS ADVISORY: http://secunia.com/advisories/43848/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s)

http://secunia.com/advisories/43848/

ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=43848

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION: Luigi Auriemma has discovered multiple vulnerabilities in RealWin, which can be exploited by malicious people to compromise a vulnerable system.

6) An input validation error when processing "On_FC_MISC_FCS_MSGBROADCAST" packets can be exploited to cause a heap-based buffer overflow via a specially crafted packet sent to TCP port 910.

7) An input validation error when processing "On_FC_MISC_FCS_MSGSEND" packets can be exploited to cause a heap-based buffer overflow via a specially crafted packet sent to TCP port 910.

The vulnerabilities are confirmed in version 2.1 Build 6.1.10.10.

SOLUTION: Restrict access to trusted hosts only (e.g. via network access control lists).

PROVIDED AND/OR DISCOVERED BY: Luigi Auriemma

ORIGINAL ADVISORY: http://aluigi.altervista.org/adv/realwin_2-adv.txt http://aluigi.altervista.org/adv/realwin_3-adv.txt http://aluigi.altervista.org/adv/realwin_4-adv.txt http://aluigi.altervista.org/adv/realwin_5-adv.txt http://aluigi.altervista.org/adv/realwin_6-adv.txt http://aluigi.altervista.org/adv/realwin_7-adv.txt http://aluigi.altervista.org/adv/realwin_8-adv.txt

OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/

DEEP LINKS: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/

EXPLOIT: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/


About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities.

Subscribe: http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/

Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.


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Show details on source website


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    "data": "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. (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 (11)On_FC_SCRIPT_FCS_STARTPROG packets to port 910. DATAC RealWin is a SCADA server product that operates a single PC or multiple PCs over a TCP/IP network. DATAC RealWin SCADA Server can exploit vulnerabilities for buffer overflow attacks due to incorrect validation of user-supplied input. Successful exploitation of a vulnerability can execute arbitrary code in an application security context. DATAC RealWin is prone to multiple remote buffer-overflow vulnerabilities because of a failure to properly bounds check user-supplied input. Failed exploit attempts will cause a  denial-of-service condition. \nDATAC RealWin versions 2.1 and prior are vulnerable; other versions may also be affected. ----------------------------------------------------------------------\n\n\nMeet Secunia @ Microsoft Management Summit (MMS) in Las Vegas, USA (21-25 March). \n\nhttp://secunia.com/company/events/mms_2011/\n\n\n----------------------------------------------------------------------\n\nTITLE:\nRealWin FlexWin Connection Packet Processing Buffer Overflow\nVulnerabilities\n\nSECUNIA ADVISORY ID:\nSA43848\n\nVERIFY ADVISORY:\nSecunia.com\nhttp://secunia.com/advisories/43848/\nCustomer Area (Credentials Required)\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=43848\n\nRELEASE DATE:\n2011-03-22\n\nDISCUSS ADVISORY:\nhttp://secunia.com/advisories/43848/#comments\n\nAVAILABLE ON SITE AND IN CUSTOMER AREA:\n * Last Update\n * Popularity\n * Comments\n * Criticality Level\n * Impact\n * Where\n * Solution Status\n * Operating System / Software\n * CVE Reference(s)\n\nhttp://secunia.com/advisories/43848/\n\nONLY AVAILABLE IN CUSTOMER AREA:\n * Authentication Level\n * Report Reliability\n * Secunia PoC\n * Secunia Analysis\n * Systems Affected\n * Approve Distribution\n * Remediation Status\n * Secunia CVSS Score\n * CVSS\n\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=43848\n\nONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:\n * AUTOMATED SCANNING\n\nhttp://secunia.com/vulnerability_scanning/personal/\nhttp://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/\n\nDESCRIPTION:\nLuigi Auriemma has discovered multiple vulnerabilities in RealWin,\nwhich can be exploited by malicious people to compromise a vulnerable\nsystem. \n\n6) An input validation error when processing\n\"On_FC_MISC_FCS_MSGBROADCAST\" packets can be exploited to cause a\nheap-based buffer overflow via a specially crafted packet sent to TCP\nport 910. \n\n7) An input validation error when processing \"On_FC_MISC_FCS_MSGSEND\"\npackets can be exploited to cause a heap-based buffer overflow via a\nspecially crafted packet sent to TCP port 910. \n\nThe vulnerabilities are confirmed in version 2.1 Build 6.1.10.10. \n\nSOLUTION:\nRestrict access to trusted hosts only (e.g. via network access\ncontrol lists). \n\nPROVIDED AND/OR DISCOVERED BY:\nLuigi Auriemma\n\nORIGINAL ADVISORY:\nhttp://aluigi.altervista.org/adv/realwin_2-adv.txt\nhttp://aluigi.altervista.org/adv/realwin_3-adv.txt\nhttp://aluigi.altervista.org/adv/realwin_4-adv.txt\nhttp://aluigi.altervista.org/adv/realwin_5-adv.txt\nhttp://aluigi.altervista.org/adv/realwin_6-adv.txt\nhttp://aluigi.altervista.org/adv/realwin_7-adv.txt\nhttp://aluigi.altervista.org/adv/realwin_8-adv.txt\n\nOTHER REFERENCES:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nDEEP LINKS:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXTENDED DESCRIPTION:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXTENDED SOLUTION:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXPLOIT:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\nprivate users keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. \n\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n",
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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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