Vulnerability-Lookup

FKIE_CVE-2012-2523

Vulnerability from fkie_nvd - Published: 2012-08-15 01:55 - Updated: 2026-06-16 23:41

Severity

Summary

Integer overflow in Microsoft Internet Explorer 8 and 9, JScript 5.8, and VBScript 5.8 on 64-bit platforms allows remote attackers to execute arbitrary code by leveraging an incorrect size calculation during object copying, aka "JavaScript Integer Overflow Remote Code Execution Vulnerability."

References

URL	Tags
secure@microsoft.com	http://www.us-cert.gov/cas/techalerts/TA12-227A.html	Third Party Advisory, US Government Resource
secure@microsoft.com	https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052
secure@microsoft.com	https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056
secure@microsoft.com	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790
af854a3a-2127-422b-91ae-364da2661108	http://www.us-cert.gov/cas/techalerts/TA12-227A.html	Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108	https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052
af854a3a-2127-422b-91ae-364da2661108	https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056
af854a3a-2127-422b-91ae-364da2661108	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790

Impacted products

Vendor	Product	Version
microsoft	internet_explorer	8
microsoft	internet_explorer	9
microsoft	jscript	5.8
microsoft	vbscript	5.8

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*",
              "matchCriteriaId": "A52E757F-9B41-43B4-9D67-3FEDACA71283",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*",
              "matchCriteriaId": "C043EDDD-41BF-4718-BDCF-158BBBDB6360",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:jscript:5.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "67691569-4F51-4021-A318-83A0F9AE64AB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:vbscript:5.8:-:x64:*:*:*:*:*",
              "matchCriteriaId": "BBB91DFB-0D8F-468C-BA58-C6ED1AA3B9AB",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer overflow in Microsoft Internet Explorer 8 and 9, JScript 5.8, and VBScript 5.8 on 64-bit platforms allows remote attackers to execute arbitrary code by leveraging an incorrect size calculation during object copying, aka \"JavaScript Integer Overflow Remote Code Execution Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Desbordamiento de entero en Microsoft Internet Explorer 8 y 9, JScript 5.8, y VBScript 5.8 sobre plataformas de 64-bit permite a atacantes remotos ejecutar c\u00f3digo de su elecci\u00f3n aprovechando un c\u00e1lculo incorrecto de tama\u00f1o durante la copia de un objeto, tambi\u00e9n conocido como \"JavaScript Integer Overflow Remote Code Execution Vulnerability.\""
    }
  ],
  "id": "CVE-2012-2523",
  "lastModified": "2026-06-16T23:41:38.297",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ]
  },
  "published": "2012-08-15T01:55:01.663",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "http://www.us-cert.gov/cas/techalerts/TA12-227A.html"
    },
    {
      "source": "secure@microsoft.com",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052"
    },
    {
      "source": "secure@microsoft.com",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056"
    },
    {
      "source": "secure@microsoft.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "http://www.us-cert.gov/cas/techalerts/TA12-227A.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2012-2523 (GCVE-0-2012-2523)

Vulnerability from cvelistv5 – Published: 2012-08-15 01:00 – Updated: 2024-08-06 19:34

Summary

Severity

No CVSS data available.

CWE

Assigner

microsoft mitre root

References

4 references

URL	Tags
https://docs.microsoft.com/en-us/security-updates…	vendor-advisoryx_refsource_MS
https://docs.microsoft.com/en-us/security-updates…	vendor-advisoryx_refsource_MS
http://www.us-cert.gov/cas/techalerts/TA12-227A.html	third-party-advisoryx_refsource_CERT
https://oval.cisecurity.org/repository/search/def…	vdb-entrysignaturex_refsource_OVAL

Date Public

2012-08-14 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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            ],
            "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052"
          },
          {
            "name": "MS12-056",
            "tags": [
              "vendor-advisory",
              "x_refsource_MS",
              "x_transferred"
            ],
            "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056"
          },
          {
            "name": "TA12-227A",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT",
              "x_transferred"
            ],
            "url": "http://www.us-cert.gov/cas/techalerts/TA12-227A.html"
          },
          {
            "name": "oval:org.mitre.oval:def:15790",
            "tags": [
              "vdb-entry",
              "signature",
              "x_refsource_OVAL",
              "x_transferred"
            ],
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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      ],
      "datePublic": "2012-08-14T00:00:00.000Z",
      "descriptions": [
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          "lang": "en",
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      "problemTypes": [
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          "descriptions": [
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        "dateUpdated": "2018-10-12T19:57:01.000Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
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          "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056"
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        {
          "name": "TA12-227A",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT"
          ],
          "url": "http://www.us-cert.gov/cas/techalerts/TA12-227A.html"
        },
        {
          "name": "oval:org.mitre.oval:def:15790",
          "tags": [
            "vdb-entry",
            "signature",
            "x_refsource_OVAL"
          ],
          "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@microsoft.com",
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.