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CVE-2011-4879 (GCVE-0-2011-4879)

Vulnerability from cvelistv5 – Published: 2012-02-03 20:00 – Updated: 2024-08-07 00:16
VLAI
Summary
miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not properly handle URIs beginning with a 0xfa character, which allows remote attackers to read data from arbitrary memory locations or cause a denial of service (application crash) via a crafted POST request.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2011-12-02 00:00
Show details on NVD website
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                    "criteria": "cpe:2.3:a:siemens:simatic_hmi_panels:comfort_panels:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DC593746-B329-43EA-8CA1-AA56AC5A3B10",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:siemens:simatic_hmi_panels:mobile_panels:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1DF877E8-A0D1-4444-99F2-8A3E8ED4D31B",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:siemens:simatic_hmi_panels:mp:*:*:*:*:*:*:*",
                    "matchCriteriaId": "442AC914-BDD5-4D0C-9E04-88F60EE2B730",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:siemens:simatic_hmi_panels:op:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D9749966-1666-4F7D-90D0-17AFBB88AE83",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:siemens:simatic_hmi_panels:tp:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9471D239-08B1-4076-82F7-2B73F4E343CE",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:siemens:wincc_runtime_advanced:v11:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1AE3AE80-C7A2-4581-993A-536936F6D315",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:siemens:wincc_flexible_runtime:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6F785262-BBFB-4A0C-A7DC-97F5D6B94BB0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not properly handle URIs beginning with a 0xfa character, which allows remote attackers to read data from arbitrary memory locations or cause a denial of service (application crash) via a crafted POST request."
          },
          {
            "lang": "es",
            "value": "miniweb.exe del servidor web HMI de Siemens WinCC flexible 2004, 2005, 2007 y 2008 anteriores a SP3; WinCC V11 (portal TIA) anteriores a SP2 Update 1; los TP, OP, MP, Comfort Panels y Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; y WinCC flexible Runtime no manejan apropiadamente URIs que comienzan con un caracter 0xfa, lo que permite a atacantes remotos leer localizaciones de memoria arbitrarias o provocar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de una petici\u00f3n POST."
          }
        ],
        "id": "CVE-2011-4879",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 8.5,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 7.8,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2012-02-03T20:55:02.077",
        "references": [
          {
            "source": "cret@cert.org",
            "url": "http://aluigi.org/adv/winccflex_1-adv.txt"
          },
          {
            "source": "cret@cert.org",
            "url": "http://www.exploit-db.com/exploits/18166"
          },
          {
            "source": "cret@cert.org",
            "url": "http://www.osvdb.org/77384"
          },
          {
            "source": "cret@cert.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf"
          },
          {
            "source": "cret@cert.org",
            "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf"
          },
          {
            "source": "cret@cert.org",
            "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf"
          },
          {
            "source": "cret@cert.org",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf"
          },
          {
            "source": "cret@cert.org",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71453"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://aluigi.org/adv/winccflex_1-adv.txt"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.exploit-db.com/exploits/18166"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.osvdb.org/77384"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71453"
          }
        ],
        "sourceIdentifier": "cret@cert.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.