CVE-2008-2639 (GCVE-0-2008-2639)

Vulnerability from cvelistv5 – Published: 2008-06-16 18:26 – Updated: 2024-08-07 09:05
VLAI?
Summary
Stack-based buffer overflow in the ODBC server service in Citect CitectSCADA 6 and 7, and CitectFacilities 7, allows remote attackers to execute arbitrary code via a long string in the second application packet in a TCP session on port 20222.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://www.vupen.com/english/advisories/2008/1834… vdb-entryx_refsource_VUPEN
http://www.kb.cert.org/vuls/id/CTAR-7ENQNH x_refsource_CONFIRM
http://www.coresecurity.com/?action=item&id=2186 x_refsource_MISC
http://isc.sans.org/diary.html?storyid=4556 x_refsource_MISC
http://secunia.com/advisories/30638 third-party-advisoryx_refsource_SECUNIA
http://securitytracker.com/id?1020241 vdb-entryx_refsource_SECTRACK
https://www.exploit-db.com/exploits/6387 exploitx_refsource_EXPLOIT-DB
http://www.kb.cert.org/vuls/id/476345 third-party-advisoryx_refsource_CERT-VN
http://www.securityfocus.com/bid/29634 vdb-entryx_refsource_BID
http://www.securityfocus.com/archive/1/493272/100… mailing-listx_refsource_BUGTRAQ
http://securityreason.com/securityalert/3944 third-party-advisoryx_refsource_SREASON
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
Show details on NVD website

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      "evaluatorComment": "The vulnerability found in CitectSCADA could allow a remote un-authenticated attacker to force an abnormal termination of the vulnerable software (Denial of Service) or to execute arbitrary code on vulnerable systems to gain complete control of the software. The CitectSCADA and CitectFacilities applications include ODBC server capabilities to provide remote SQL access to a relational database. For that purpose, an ODBC Server component is used to service requests from clients on TCP/IP networks. Requests are serviced over a TCP high-port in which the application layer protocol reads an initial packet that specifies the length of data and then a second packet of data, of the same length is then read. Once the data is read from the network, it is then copied to an internal buffer of fixed size allocated in the stack without previously verifying that the buffer is big enough to store all the read data.\r\n\r\nThe vulnerability is related to a lack of a proper length-checking on data read from the network. A specially crafted combination of length and data packets could be used to exploit the vulnerability allowing an un-authenticated attacker to execute arbitrary code on vulnerable systems.\r\n\r\nThe bug is a texbook example of classic simple stack-based buffer overflow vulnerabilities of the 1990s that can be exploited by overwriting the return address of the currently running thread.\r\n\r\nFixes and Workarounds:\r\n\r\nUser organizations should deploy the vendor patch, which is available upon request at http://www.citect.com/ or disable the vulnerable service (ODBC server) if it is not needed in their particular installation.",
      "evaluatorImpact": "The access complexity for this vulnerability is set at High due to the fact that exploiting this vulnerability requires the SCADA system to be connected to the internet and the client needs to be using ODBC technology.  SCADA systems are not typically installed to connect to the internet for security purposes.  While the vendor acknowledges that this vulnerability exists and will provide a patch upon request, they point out that this can be easily mitigated by ensuring SCADA systems (not limited to Citect products) are not connected to the internet.\r\n",
      "evaluatorSolution": "Citect will provide a patch upon request to mitigate this vulnerability.  Please see the following press release for more information:\r\n\r\nhttp://www.citect.com/documents/news_and_media/pr-citect-address-security.pdf\r\n\r\nFor further information on properly securing SCADA systems, please see the following whitepaper published by Citect:\r\n\r\nhttp://www.citect.com/documents/whitepapers/scada-security-whitepaper.pdf",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2008-2639\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2008-06-16T18:41:00.000\",\"lastModified\":\"2025-04-09T00:30:58.490\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Stack-based buffer overflow in the ODBC server service in Citect CitectSCADA 6 and 7, and CitectFacilities 7, allows remote attackers to execute arbitrary code via a long string in the second application packet in a TCP session on port 20222.\"},{\"lang\":\"es\",\"value\":\"Desbordamiento de b\u00fafer basado en pila en el servicio del servidor ODBC en CitectSCADA 6 y 7 y CitectFacilities 7, permite a atacantes remotos ejecutar c\u00f3digo arbitrario mediante una cadena larga en el segundo paquete de aplicaci\u00f3n en una sesi\u00f3n TCP en el puerto 20222.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:N/C:C/I:C/A:C\",\"baseScore\":7.6,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":4.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citect:citectfacilities:7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A1AA63D7-B3D6-40CD-B871-B8BEC70D0EC7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citect:citectscada:6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5AB59393-7CF9-4AAF-B5D9-4D57198DDBCE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citect:citectscada:7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0239F180-38AC-4ECF-B17E-AC7DEA42EB26\"}]}]}],\"references\":[{\"url\":\"http://isc.sans.org/diary.html?storyid=4556\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://secunia.com/advisories/30638\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://securityreason.com/securityalert/3944\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://securitytracker.com/id?1020241\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.coresecurity.com/?action=item\u0026id=2186\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.kb.cert.org/vuls/id/476345\",\"source\":\"cve@mitre.org\",\"tags\":[\"US Government Resource\"]},{\"url\":\"http://www.kb.cert.org/vuls/id/CTAR-7ENQNH\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/archive/1/493272/100/0/threaded\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/29634\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.vupen.com/english/advisories/2008/1834/references\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/42992\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.exploit-db.com/exploits/6387\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://isc.sans.org/diary.html?storyid=4556\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/30638\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://securityreason.com/securityalert/3944\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://securitytracker.com/id?1020241\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.coresecurity.com/?action=item\u0026id=2186\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.kb.cert.org/vuls/id/476345\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"US Government Resource\"]},{\"url\":\"http://www.kb.cert.org/vuls/id/CTAR-7ENQNH\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/archive/1/493272/100/0/threaded\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/29634\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.vupen.com/english/advisories/2008/1834/references\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/42992\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.exploit-db.com/exploits/6387\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}],\"evaluatorComment\":\"The vulnerability found in CitectSCADA could allow a remote un-authenticated attacker to force an abnormal termination of the vulnerable software (Denial of Service) or to execute arbitrary code on vulnerable systems to gain complete control of the software. The CitectSCADA and CitectFacilities applications include ODBC server capabilities to provide remote SQL access to a relational database. For that purpose, an ODBC Server component is used to service requests from clients on TCP/IP networks. Requests are serviced over a TCP high-port in which the application layer protocol reads an initial packet that specifies the length of data and then a second packet of data, of the same length is then read. Once the data is read from the network, it is then copied to an internal buffer of fixed size allocated in the stack without previously verifying that the buffer is big enough to store all the read data.\\r\\n\\r\\nThe vulnerability is related to a lack of a proper length-checking on data read from the network. A specially crafted combination of length and data packets could be used to exploit the vulnerability allowing an un-authenticated attacker to execute arbitrary code on vulnerable systems.\\r\\n\\r\\nThe bug is a texbook example of classic simple stack-based buffer overflow vulnerabilities of the 1990s that can be exploited by overwriting the return address of the currently running thread.\\r\\n\\r\\nFixes and Workarounds:\\r\\n\\r\\nUser organizations should deploy the vendor patch, which is available upon request at http://www.citect.com/ or disable the vulnerable service (ODBC server) if it is not needed in their particular installation.\",\"evaluatorSolution\":\"Citect will provide a patch upon request to mitigate this vulnerability.  Please see the following press release for more information:\\r\\n\\r\\nhttp://www.citect.com/documents/news_and_media/pr-citect-address-security.pdf\\r\\n\\r\\nFor further information on properly securing SCADA systems, please see the following whitepaper published by Citect:\\r\\n\\r\\nhttp://www.citect.com/documents/whitepapers/scada-security-whitepaper.pdf\",\"evaluatorImpact\":\"The access complexity for this vulnerability is set at High due to the fact that exploiting this vulnerability requires the SCADA system to be connected to the internet and the client needs to be using ODBC technology.  SCADA systems are not typically installed to connect to the internet for security purposes.  While the vendor acknowledges that this vulnerability exists and will provide a patch upon request, they point out that this can be easily mitigated by ensuring SCADA systems (not limited to Citect products) are not connected to the internet.\\r\\n\"}}"
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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