cnvd - cnvd-2019-09083

cnvd-2019-09083

Vulnerability from cnvd

Title: Libav浮点异常漏洞

Description:

Libav是一款开源音视频处理工具，提供用于转换、操纵及流式传输各种多媒体格式和协议的跨平台工具和库。

Libav 12.3中的libavcodec/apedec.c中的range_decode_culshift函数存在浮点异常漏洞，远程攻击者可通过特制输入利用该漏洞导致拒绝服务。

Severity: 中

Formal description:

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.libav.org/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-20001

Impacted products

Name
Libav Libav 12.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20001"
    }
  },
  "description": "Libav\u662f\u4e00\u6b3e\u5f00\u6e90\u97f3\u89c6\u9891\u5904\u7406\u5de5\u5177\uff0c\u63d0\u4f9b\u7528\u4e8e\u8f6c\u6362\u3001\u64cd\u7eb5\u53ca\u6d41\u5f0f\u4f20\u8f93\u5404\u79cd\u591a\u5a92\u4f53\u683c\u5f0f\u548c\u534f\u8bae\u7684\u8de8\u5e73\u53f0\u5de5\u5177\u548c\u5e93\u3002\n\nLibav 12.3\u4e2d\u7684libavcodec/apedec.c\u4e2d\u7684range_decode_culshift\u51fd\u6570\u5b58\u5728\u6d6e\u70b9\u5f02\u5e38\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u8f93\u5165\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "c1208828",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.libav.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-09083",
  "openTime": "2019-04-04",
  "products": {
    "product": "Libav Libav 12.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-20001",
  "serverity": "\u4e2d",
  "submitTime": "2018-12-10",
  "title": "Libav\u6d6e\u70b9\u5f02\u5e38\u6f0f\u6d1e"
}

CVE-2018-20001 (GCVE-0-2018-20001)

Vulnerability from cvelistv5

Published

2018-12-10 02:00

Modified

2024-09-17 01:05

Severity ?

CWE

Summary

In Libav 12.3, there is a floating point exception in the range_decode_culshift function (called from range_decode_bits) in libavcodec/apedec.c that will lead to remote denial of service via crafted input.

References

▼	URL	Tags
	https://bugzilla.libav.org/show_bug.cgi?id=1141	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:51:18.264Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.libav.org/show_bug.cgi?id=1141"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In Libav 12.3, there is a floating point exception in the range_decode_culshift function (called from range_decode_bits) in libavcodec/apedec.c that will lead to remote denial of service via crafted input."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-10T02:00:00Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.libav.org/show_bug.cgi?id=1141"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-20001",
          "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": "In Libav 12.3, there is a floating point exception in the range_decode_culshift function (called from range_decode_bits) in libavcodec/apedec.c that will lead to remote denial of service via crafted input."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.libav.org/show_bug.cgi?id=1141",
              "refsource": "MISC",
              "url": "https://bugzilla.libav.org/show_bug.cgi?id=1141"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-20001",
    "datePublished": "2018-12-10T02:00:00Z",
    "dateReserved": "2018-12-09T00:00:00Z",
    "dateUpdated": "2024-09-17T01:05:48.618Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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