Vulnerability-Lookup

CNVD-2017-34500

Vulnerability from cnvd - Published: 2017-11-20

Title

libebml2 'EBML_IntegerValue'函数拒绝服务漏洞

Description

libebml2是一款使用C语言编写的开源EBML解析器。 libebml2 2012-08-26及之前的版本中的ebmlnumber.c文件的'EBML_IntegerValue'函数存在安全漏洞。远程攻击者可借助特制的mkv文件利用该漏洞造成拒绝服务。

Severity

中

Patch Name

libebml2 'EBML_IntegerValue'函数拒绝服务漏洞的补丁

Patch Description

libebml2是一款使用C语言编写的开源EBML解析器。 libebml2 2012-08-26及之前的版本中的ebmlnumber.c文件的'EBML_IntegerValue'函数存在安全漏洞。远程攻击者可借助特制的mkv文件利用该漏洞造成拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/Matroska-Org/foundation-source/issues/24

Reference

http://seclists.org/fulldisclosure/2017/Nov/19

Impacted products

Name
libebml2 libebml2 <=2012-08-26

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-12802"
    }
  },
  "description": "libebml2\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90EBML\u89e3\u6790\u5668\u3002\r\n\r\nlibebml2 2012-08-26\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684ebmlnumber.c\u6587\u4ef6\u7684\u0027EBML_IntegerValue\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684mkv\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "qflb.wu",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/Matroska-Org/foundation-source/issues/24",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-34500",
  "openTime": "2017-11-20",
  "patchDescription": "libebml2\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5f00\u6e90EBML\u89e3\u6790\u5668\u3002\r\n\r\nlibebml2 2012-08-26\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684ebmlnumber.c\u6587\u4ef6\u7684\u0027EBML_IntegerValue\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684mkv\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "libebml2 \u0027EBML_IntegerValue\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libebml2 libebml2 \u003c=2012-08-26"
  },
  "referenceLink": "http://seclists.org/fulldisclosure/2017/Nov/19",
  "serverity": "\u4e2d",
  "submitTime": "2017-11-08",
  "title": "libebml2 \u0027EBML_IntegerValue\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-12802 (GCVE-0-2017-12802)

Vulnerability from cvelistv5 – Published: 2017-11-09 19:00 – Updated: 2024-08-05 18:51

Summary

The EBML_IntegerValue function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://packetstormsecurity.com/files/144902/mkval…	x_refsource_MISC
	http://seclists.org/fulldisclosure/2017/Nov/19	mailing-listx_refsource_FULLDISC
	https://github.com/Matroska-Org/foundation-source…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T18:51:07.207Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html"
          },
          {
            "name": "20171106 mkvalidator libebml2 mkclean multiple vulnerabilities",
            "tags": [
              "mailing-list",
              "x_refsource_FULLDISC",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2017/Nov/19"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/Matroska-Org/foundation-source/issues/24"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-11-06T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The EBML_IntegerValue function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-11-09T18:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html"
        },
        {
          "name": "20171106 mkvalidator libebml2 mkclean multiple vulnerabilities",
          "tags": [
            "mailing-list",
            "x_refsource_FULLDISC"
          ],
          "url": "http://seclists.org/fulldisclosure/2017/Nov/19"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/Matroska-Org/foundation-source/issues/24"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-12802",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The EBML_IntegerValue function in ebmlnumber.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (assert fault) via a crafted mkv file."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html"
            },
            {
              "name": "20171106 mkvalidator libebml2 mkclean multiple vulnerabilities",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2017/Nov/19"
            },
            {
              "name": "https://github.com/Matroska-Org/foundation-source/issues/24",
              "refsource": "CONFIRM",
              "url": "https://github.com/Matroska-Org/foundation-source/issues/24"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-12802",
    "datePublished": "2017-11-09T19:00:00",
    "dateReserved": "2017-08-11T00:00:00",
    "dateUpdated": "2024-08-05T18:51:07.207Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2017-34500

CVE-2017-12802 (GCVE-0-2017-12802)

Tags

Sightings

Nomenclature